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KING of PRUSSIA MALL

610.265.7766

Oxford Valley Mall

215.702.8586

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  • Semi-formal dresses Langhorne Pennsylvania King of Prussia Pennsylvania
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  • JOVANI COLLECTIONS
    +
    • Jovani - Bridal
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    • Sherri Hill Prom
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  • TOP 10 PROM CATALOG
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    • TOP 10 PROM CATALOG
  • NEW SPRING 2023!
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    • NEW NEW NEW!
  • PROM
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    • Aleta
    • Alyce Paris
    • Amarra
    • Ashley Lauren
    • Clarisse
    • Colors Dress
    • Faviana / Faviana Glamour
    • Faviana Curves
    • Formals XO Exclusives
    • Jasz Couture
    • Jessica Angel
    • Johnathan Kayne
    • Jovani Prom
    • La Femme
    • MoriLee Prom
    • Portia & Scarlett
    • Portia & Scarlett Couture
    • Portia & Scarlett Pageant
    • Portia & Scarlett Prom
    • Primavera
    • Primavera Curvy Plus
    • Rachel Allan Prom
    • Scala
    • Sherri Hill
    • Stella Prom
    • Tiffany Designs
    • Tiffany Plus
  • QUINCEANERA & SWEET 16
    +
    • House of Wu Quinceanera
    • Morilee Vizcaya
    • Portia & Scarlett Ballgowns
    • Princesa
  • BRIDESMAIDS
    +
    • Adrianna Papell Bridesmaids
    • Christina Wu Celebrations
    • JESSICA ANGEL COLLECTON
    • Morilee Bridesmaids
  • MOTHER of the BRIDE/GROOM
    +
    • Christina Wu Elegance
    • Clarisse Couture
    • La Femme Evening
    • MGNY for Morilee
    • Montage
    • Portia & Scarlett Evening
    • Stella Couture
  • HOMECOMING/SEMI FORMAL
    +
    • Aleta Shorts
    • Alyce Semi-Formal
    • Amarra Homecoming
    • Clarisse Homecoming
    • Damas Collection by House of Wu
    • Damas de Vizcaya
    • Faviana Cocktail
    • Formals XO Exclusives Short
    • Jasz Homecoming
    • LaFemme Semi-Formal
    • MoriLee Sticks & Stones
    • Portia & Scarlett Cocktail
    • Tiffany Homecoming
  • CLEARANCE
    +
    • Sale Gowns and Dresses
  • More Styles
    -
    • Prom Dresses
    • Glitter Fabric
    • Bridal Gowns
    • Ballgowns
    • Beaded/Sequin
    • High-Low
    • Jumpsuits/Pants (Online Only)
    • Lace
    • Mermaid
    • Plain
    • Prints
    • Plus Sizes
    • Pageant
    • Semi-Formal
    • Sleeves
    • Two-Piece

Semi-formal dresses Langhorne Pennsylvania King of Prussia Pennsylvania

Sassy, Sexy, Short! Cocktail dresses for all special occasions at Formals XO. New cocktail dress styles for Homecoming. Cocktail dresses from Mori Lee, sexy short dresses by Sherri Hill, short cocktail dresses by Jovani, Alyce Paris, and much more.
Sort By:
Sherri Hill 54403

54403 Sherri Hill

$350  
IN STOCK
Sherri Hill 54833

54833 Sherri Hill

$350  
IN STOCK
Sherri Hill 54430

54430 Sherri Hill

$350  
IN STOCK
Sherri Hill 55153

55153 Sherri Hill

$398  
IN STOCK
Sherri Hill 55199

55199 Sherri Hill

$398  
IN STOCK
Sherri Hill 55188

55188 Sherri Hill

$298  
IN STOCK
Formals XO Exclusive XOBZ013S

XOBZ013S Formals XO Exclusive

$200  
IN STOCK
XO Exclusive XO394s

XO394s XO Exclusive

$225  
IN STOCK
XO Exclusive XO395

XO395 XO Exclusive

$250  
IN STOCK
JASZ Couture 1180

1180 JASZ Couture

$504  
IN STOCK
Jovani Short & Cocktail 04699

04699 Jovani Short & Cocktail

$410  
IN STOCK
Jovani Short & Cocktail 06016

06016 Jovani Short & Cocktail

$418  
IN STOCK
Jovani Short & Cocktail 63899

63899 Jovani Short & Cocktail

$431  
IN STOCK
JASZ Couture 1112

1112 JASZ Couture

$548  
IN STOCK
JASZ Couture 1113

1113 JASZ Couture

$350  
IN STOCK
Jovani Homecoming Dresses 07669

07669 Jovani Homecoming Dresses

$462  
IN STOCK
Sherri Hill 53151

53151 Sherri Hill

$398  
IN STOCK
La Femme Homecoming Dress 30104

30104 La Femme Homecoming Dress

$238  
IN STOCK
La Femme Homecoming Dress 31759

31759 La Femme Homecoming Dress

$238  
IN STOCK
Portia and Scarlett Cocktail PS23138

PS23138 Portia and Scarlett Cocktail

$349  
IN STOCK
ALETA 504

504 ALETA

$251  
IN STOCK
Sherri Hill 54000

54000 Sherri Hill

$298  
IN STOCK
Portia and Scarlett Cocktail PS23120

PS23120 Portia and Scarlett Cocktail

$349  
IN STOCK
JASZ Couture 1170

1170 JASZ Couture

$394  
IN STOCK
JVN Homecoming JVN05733

JVN05733 JVN Homecoming

$328  
IN STOCK
Portia and Scarlett Cocktail PS24004

PS24004 Portia and Scarlett Cocktail

$549  
IN STOCK
ALETA 668

668 ALETA

$297  
IN STOCK
Sherri Hill 54831

54831 Sherri Hill

$350  
IN STOCK
Sherri Hill 55116

55116 Sherri Hill

$298  
IN STOCK
La Femme Homecoming Dress 30947

30947 La Femme Homecoming Dress

$250  
IN STOCK
Sherri Hill 51311

51311 Sherri Hill

$298 $249.99 
IN STOCK
XO Exclusive XO6115

XO6115 XO Exclusive

$200  
IN STOCK
La Femme Homecoming Dress 29316

29316 La Femme Homecoming Dress

$238  
IN STOCK
JASZ Couture 1200

1200 JASZ Couture

$350  
IN STOCK
Faviana S10623

S10623 Faviana

$338  
IN STOCK
La Femme Homecoming Dress 30145

30145 La Femme Homecoming Dress

$218  
IN STOCK
Amarra Homecoming 87109

87109 Amarra Homecoming

$358  
IN STOCK
Amarra Prom 20168

20168 Amarra Prom

$319  
IN STOCK
Sherri Hill 55119

55119 Sherri Hill

$450  
IN STOCK
Sherri Hill 54087

54087 Sherri Hill

$298  
IN STOCK
Scala 60060

60060 Scala

$220  
IN STOCK
Clarisse Homecoming S3748

S3748 Clarisse Homecoming

$178 $149.99 
IN STOCK
Alyce Paris 1058

1058 Alyce Paris

$125 $99.99 
IN STOCK
Amarra Homecoming 87148

87148 Amarra Homecoming

$318  
IN STOCK
La Femme Homecoming Dress 31769

31769 La Femme Homecoming Dress

$278  
IN STOCK
La Femme Homecoming Dress 31035

31035 La Femme Homecoming Dress

$298  
IN STOCK
JVN Homecoming JVN65805

JVN65805 JVN Homecoming

$394  
IN STOCK
Damas Quinceanera Dresses 9589

9589 Damas Quinceanera Dresses

$209  
IN STOCK
Damas Quinceanera Dresses 9584

9584 Damas Quinceanera Dresses

$272  
IN STOCK
Damas Quinceanera Dresses 9515

9515 Damas Quinceanera Dresses

$259  
IN STOCK
Damas Quinceanera Dresses 9582

9582 Damas Quinceanera Dresses

$230  
IN STOCK
Damas Quinceanera Dresses 9588

9588 Damas Quinceanera Dresses

$230  
IN STOCK
ALETA 367

367 ALETA

$228  
IN STOCK
Sherri Hill 54469

54469 Sherri Hill

$350  
IN STOCK
Sherri Hill 55229

55229 Sherri Hill

$450  
IN STOCK
Sherri Hill 55108

55108 Sherri Hill

$450  
IN STOCK
Faviana S10711

S10711 Faviana

$298  
IN STOCK
La Femme Homecoming Dress 30348

30348 La Femme Homecoming Dress

$250  
IN STOCK
Sherri Hill 51390

51390 Sherri Hill

$398  
IN STOCK
JVN Homecoming JVN66047

JVN66047 JVN Homecoming

$258 $199.99 
IN STOCK
JVN Homecoming JVN63018

JVN63018 JVN Homecoming

$318 $249.99 
IN STOCK
Sherri Hill 52986

52986 Sherri Hill

$298  
IN STOCK
Hannah S 27141

27141 Hannah S

$269 $199.99 
IN STOCK
Hannah S 27888

27888 Hannah S

$218 $199.99 
IN STOCK
Hannah S 27012

27012 Hannah S

$290 $199.99 
IN STOCK
Hannah S 27861

27861 Hannah S

$260 $199.99 
IN STOCK
XO Exclusive S1547

S1547 XO Exclusive

$225 $99.99 
IN STOCK
XO Exclusive 20137

20137 XO Exclusive

$225  
IN STOCK
XO Exclusive S2323

S2323 XO Exclusive

$160  
IN STOCK
Amarra Homecoming 88705

88705 Amarra Homecoming

$450  
IN STOCK
Amarra Homecoming 88691

88691 Amarra Homecoming

$398  
IN STOCK
La Femme Homecoming Dress 30926

30926 La Femme Homecoming Dress

$278  
IN STOCK
La Femme Homecoming Dress 30946

30946 La Femme Homecoming Dress

$298  
IN STOCK
La Femme Homecoming Dress 30920

30920 La Femme Homecoming Dress

$298  
IN STOCK
La Femme Homecoming Dress 30214

30214 La Femme Homecoming Dress

$218  
IN STOCK
La Femme Homecoming Dress 30356

30356 La Femme Homecoming Dress

$238  
IN STOCK
La Femme Homecoming Dress 30286

30286 La Femme Homecoming Dress

$238  
IN STOCK
La Femme Homecoming Dress 30304

30304 La Femme Homecoming Dress

$258  
IN STOCK
La Femme Homecoming Dress 30349

30349 La Femme Homecoming Dress

$238  
IN STOCK
La Femme Homecoming Dress 31036

31036 La Femme Homecoming Dress

$298  
IN STOCK
Jovani Short & Cocktail 05282

05282 Jovani Short & Cocktail

$462  
IN STOCK
JVN Homecoming JVN05251

JVN05251 JVN Homecoming

$372  
IN STOCK
Damas Quinceanera Dresses 9587

9587 Damas Quinceanera Dresses

$230  
IN STOCK
Clarisse Homecoming 30233

30233 Clarisse Homecoming

$258  
IN STOCK
ALETA 346

346 ALETA

$251  
IN STOCK
Sherri Hill 53993

53993 Sherri Hill

$350  
IN STOCK
Sherri Hill 54427

54427 Sherri Hill

$350  
IN STOCK
Sherri Hill 55111

55111 Sherri Hill

$550  
IN STOCK
Sherri Hill 55118

55118 Sherri Hill

$498  
IN STOCK
Sherri Hill 52125

52125 Sherri Hill

$480  
IN STOCK
Sherri Hill 55247

55247 Sherri Hill

$498  
IN STOCK
Sherri Hill 54776

54776 Sherri Hill

$440  
IN STOCK
La Femme Homecoming Dress 30115

30115 La Femme Homecoming Dress

$218  
IN STOCK
La Femme Homecoming Dress 30352

30352 La Femme Homecoming Dress

$238  
IN STOCK
Alyce Paris Homecoming 3879

3879 Alyce Paris Homecoming

$229  
IN STOCK
Amarra Prom 87141

87141 Amarra Prom

$340  
IN STOCK
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We provide the dress.
You provide the personality.

We want your special occasion shopping experience to be just that - an experience. Our seasoned staff requires an appointment for bridal gown and ballgown shopping, and would highly recommend one for prom as well. To set an appointment, please call us at either of our locations or fill out the registration form!

We also require ALL PROM SHOPPERS be accompanied by a parent/guardian over 25 years or age because our gowns are very delicate and may require assistance to try on.

Shop it like it's hot.
XO

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Hours

Monday - Thursday 11-7

Friday & Saturday 10-7

Sunday 11-6

Appointments Required. Hours may fluctuate. Please call ahead if traveling a far distance especially during bad weather. ALL PROM SHOPPERS must have a legal parent or guardian over 25 years old.

$25 Same day appointment fee.

$50 Deposit for Bridesmaid and Mother's Appointments. $100 Deposit for Ballgown Appointments

$100 for Bridal Appointments


215.702.8586
610.265.7766
Text Only
484.580.9417
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Locations
Oxford Valley Mall
2300 E Lincoln Hwy
Langhorne, PA 19047
(215) 702-8586
(Upper Level, next to Macy's) APPOINTMENT REQUIRED
King Of Prussia Mall
160 N Gulph Rd
King Of Prussia, PA 19406
(Next to L.L. Bean Upper Level) APPOINTMENT REQUIRED
(610) 265-PROM
formalsxo@aol.com



  • Bridal
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Search Only in this Category
+Price Filter:

+Search Only In-Stock
Narrow by Size
Search Only In-Store


+Narrow by Feature
Occasion
Type
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Embellishment
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Sleeve
Straps


+Narrow by Color


Shop by Designer

JOVANI COLLECTIONS

  • Jovani - Bridal
  • Jovani - Informal Wedding
  • Jovani - Couture
  • Jovani - Evenings
  • Jovani - JVN Evening
  • Jovani - Maslavi
  • Jovani Semi-Formal
  • Jovani - Pageant
  • Jovani - Prom
  • JVN Prom by Jovani

SHERRI HILL COLLECTIONS

  • Sherri Hill Prom
  • Sherri Hill Cocktail
  • Pearl Bridal by Sherri Hill

TOP 10 PROM CATALOG

  • TOP 10 PROM CATALOG

NEW SPRING 2023!

  • NEW NEW NEW!

PROM

  • Aleta
  • Alyce Paris
  • Amarra
  • Ashley Lauren
  • Clarisse
  • Colors Dress
  • Faviana / Faviana Glamour
  • Faviana Curves
  • Formals XO Exclusives
  • Jasz Couture
  • Jessica Angel
  • Johnathan Kayne
  • Jovani Prom
  • La Femme
  • MoriLee Prom
  • Portia & Scarlett
  • Portia & Scarlett Couture
  • Portia & Scarlett Pageant
  • Portia & Scarlett Prom
  • Primavera
  • Primavera Curvy Plus
  • Rachel Allan Prom
  • Scala
  • Sherri Hill
  • Stella Prom
  • Tiffany Designs
  • Tiffany Plus

QUINCEANERA & SWEET 16

  • House of Wu Quinceanera
  • Morilee Vizcaya
  • Portia & Scarlett Ballgowns
  • Princesa

BRIDESMAIDS

  • Adrianna Papell Bridesmaids
  • Christina Wu Celebrations
  • JESSICA ANGEL COLLECTON
  • Morilee Bridesmaids

MOTHER of the BRIDE/GROOM

  • Christina Wu Elegance
  • Clarisse Couture
  • La Femme Evening
  • MGNY for Morilee
  • Montage
  • Portia & Scarlett Evening
  • Stella Couture

HOMECOMING/SEMI FORMAL

  • Aleta Shorts
  • Alyce Semi-Formal
  • Amarra Homecoming
  • Clarisse Homecoming
  • Damas Collection by House of Wu
  • Damas de Vizcaya
  • Faviana Cocktail
  • Formals XO Exclusives Short
  • Jasz Homecoming
  • LaFemme Semi-Formal
  • MoriLee Sticks & Stones
  • Portia & Scarlett Cocktail
  • Tiffany Homecoming

CLEARANCE

  • Sale Gowns and Dresses

More Styles

  • Prom Dresses
  • Glitter Fabric
  • Bridal Gowns
  • Ballgowns
  • Beaded/Sequin
  • High-Low
  • Jumpsuits/Pants (Online Only)
  • Lace
  • Mermaid
  • Plain
  • Prints
  • Plus Sizes
  • Pageant
  • Semi-Formal
  • Sleeves
  • Two-Piece