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FORMALS XO
NOW BOOKING APPOINTMENTS FOR PROM 2027 BOOK NOW
King Of Prussia Mall
Book appointment (610) 265-PROM
Oxford Valley Mall
Book appointment (215) 702-8586
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    • ALL PROM
    • Alyce Paris
    • Amarra
    • Ashley Lauren
    • Ava Presley
    • Colors Dress
    • Ellie Wilde
    • Faviana
    • Faviana Curves
    • Formals XO Exclusives
    • Jasz Couture
    • Jessica Angel
    • Johnathan Kayne
    • Jovani Prom
    • La Femme - Prom
    • Portia & Scarlett Couture
    • Portia & Scarlett Evening
    • Portia & Scarlett Pageant
    • Portia & Scarlett Prom
    • Primavera
    • Primavera Curvy Plus
    • Scala
    • Sherri Hill
    • Stella Prom
    • ALL HOMECOMING
    • Alyce Semi-Formal
    • Amarra Homecoming
    • Damas de Vizcaya
    • Faviana Cocktail
    • Formals XO Exclusives Short
    • Jasz Homecoming
    • Jessica Angel Cocktail
    • LaFemme Semi-Formal
    • Portia & Scarlett Cocktail
    • Primavera Short
    • Scala Cocktail
    • Sherri Hill Cocktail
    • Sophia Thomas HOCO
    • ALL QUINCEANERA
    • House of Wu Quinceanera
    • Morilee Vizcaya
    • Portia & Scarlett Ballgowns
    • Princesa
  • BOOK APPOINTMENT
  • Prom Gowns

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PROM
  • Alyce Paris
  • Amarra
  • Ashley Lauren
  • Ava Presley
  • Colors Dress
  • Ellie Wilde
  • Faviana
  • Faviana Curves
  • Formals XO Exclusives
  • Jasz Couture
  • Jessica Angel
  • Johnathan Kayne
  • Jovani Prom
  • La Femme - Prom
  • Portia & Scarlett Couture
  • Portia & Scarlett Evening
  • Portia & Scarlett Pageant
  • Portia & Scarlett Prom
  • Primavera
  • Primavera Curvy Plus
  • Scala
  • Sherri Hill
  • Stella Prom
SHERRI HILL COLLECTIONS
  • Sherri Hill Prom
QUINCEANERA & SWEET 16
  • House of Wu Quinceanera
  • Morilee Vizcaya
  • Portia & Scarlett Ballgowns
  • Princesa
HOMECOMING
  • Alyce Semi-Formal
  • Amarra Homecoming
  • Damas de Vizcaya
  • Faviana Cocktail
  • Formals XO Exclusives Short
  • Jasz Homecoming
  • Jessica Angel Cocktail
  • LaFemme Semi-Formal
  • Portia & Scarlett Cocktail
  • Primavera Short
  • Scala Cocktail
  • Sherri Hill Cocktail
  • Sophia Thomas HOCO
BRIDESMAIDS
  • JESSICA ANGEL COLLECTON
MOTHER of the BRIDE/GROOM
  • Montage
SALE
  • Sale Gowns and Dresses
MORE WAYS TO SHOP
  • NEW NEW NEW
  • Ballgowns
  • Bridal Gowns
  • Beaded/Sequin
  • Homecoming
  • Glitter Fabric
  • High-Low
  • Lace
  • Mermaid
  • Prom Gowns
  • Plus Sizes
  • Plain
  • Prints
  • Quinceanera

Prom Gowns

Our collection includes styles by Sherri Hill, Jovani, Jessica Angel, and many more top formalwear designers! Whether you're looking for a glittering mermaid silhouette or a simple, satin A-line dress, we guarantee you'll find something stunning to fall in love with at our boutique. Shop below or in stores at Formals XO, Langhorne, PA and King of Prussia, PA.

Styles

47154 Jovani Prom
IN STOCK

47154 Jovani Prom

88325 Amarra Prom
IN STOCK

88325 Amarra Prom

$498
33733 La Femme Prom
IN STOCK

33733 La Femme Prom

$498
810922 Clarisse Prom
IN STOCK

810922 Clarisse Prom

Original price $438 Sale price $425.99
1074 Jovani Prom
IN STOCK

1074 Jovani Prom

$759
32683 La Femme Prom
IN STOCK

32683 La Femme Prom

$378
05647 Jovani Prom
IN STOCK

05647 Jovani Prom

62066 Alyce Paris Prom
IN STOCK

62066 Alyce Paris Prom

$674
31224 La Femme Prom
IN STOCK

31224 La Femme Prom

$358
61573 Alyce Paris Prom
IN STOCK

61573 Alyce Paris Prom

$448
3428 Clarisse Prom
IN STOCK

3428 Clarisse Prom

Original price $271 Sale price $249.99
32689 La Femme Prom
IN STOCK

32689 La Femme Prom

$458
27519 La Femme Prom
IN STOCK

27519 La Femme Prom

Original price $338 Sale price $299.99
32690 La Femme Prom
IN STOCK

32690 La Femme Prom

$548
08157 Jovani Prom
IN STOCK

08157 Jovani Prom

04195 Jovani Prom
IN STOCK

04195 Jovani Prom

62154 Alyce Paris Prom
IN STOCK

62154 Alyce Paris Prom

$479
89687 Amarra Prom
IN STOCK

89687 Amarra Prom

$598
00512 Jovani Prom
IN STOCK

00512 Jovani Prom

12222 ASHLEYlauren
IN STOCK

12222 ASHLEYlauren

$598
08481 Jovani Prom
On Sale
IN STOCK

08481 Jovani Prom

Original price $600 Sale price $499.99
32033 La Femme Prom
IN STOCK

32033 La Femme Prom

$598
88831 Amarra Prom
IN STOCK

88831 Amarra Prom

$500
31238 La Femme Prom
IN STOCK

31238 La Femme Prom

$478
89491 Amarra Prom
IN STOCK

89491 Amarra Prom

$430
40765 Jovani Prom
IN STOCK

40765 Jovani Prom

30340 La Femme Prom
IN STOCK

30340 La Femme Prom

$438
32707 La Femme Prom
IN STOCK

32707 La Femme Prom

$498
49269 Jovani Prom
IN STOCK

49269 Jovani Prom

G942 Colors Dress
IN STOCK

G942 Colors Dress

$350
19-166 Madison James Prom
IN STOCK

19-166 Madison James Prom

Original price $370 Sale price $349.99
4549 Primavera Couture Prom
IN STOCK

4549 Primavera Couture Prom

$599
3789 Clarisse Prom
IN STOCK

3789 Clarisse Prom

Original price $229 Sale price $199.99
1375 Alyce Prom
IN STOCK

1375 Alyce Prom

Original price $275 Sale price $199
88751 Amarra Prom
IN STOCK

88751 Amarra Prom

$498
PS24252 Portia and Scarlett
IN STOCK

PS24252 Portia and Scarlett

$839
810282 Clarisse Prom
IN STOCK

810282 Clarisse Prom

Original price $284 Sale price $274.99
61618 Alyce Paris Prom
IN STOCK

61618 Alyce Paris Prom

$458
3958 Primavera Couture Prom
IN STOCK

3958 Primavera Couture Prom

$425
PS25277 Portia and Scarlett
On Sale
IN STOCK

PS25277 Portia and Scarlett

Original price $699 Sale price $599.99
62056 Alyce Paris Prom
IN STOCK

62056 Alyce Paris Prom

$624
32054 La Femme Prom
IN STOCK

32054 La Femme Prom

$478
45830 Jovani Prom
IN STOCK

45830 Jovani Prom

$550
7505 JASZ Couture
IN STOCK

7505 JASZ Couture

$878
62013 Alyce Paris Prom
IN STOCK

62013 Alyce Paris Prom

$596
22286 Jovani Prom
IN STOCK

22286 Jovani Prom

PS24295 Portia and Scarlett
IN STOCK

PS24295 Portia and Scarlett

$839
49812 Jovani Prom
IN STOCK

49812 Jovani Prom

5335
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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 to try on but we encourage you to stop by anytime and browse. To book an appointment, please click the Book Appointment button at the top of this page.

We also require ALL PROM and HOMECOMING SHOPPERS be accompanied by a parent/guardian over 25 years of age because our gowns are very delicate and may require assistance to try on. We have a no food/drink policy in our store for all guests.

XO

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Hours

Monday - Thursday 11-7

Friday & Saturday 10-7

Sunday 11-6

Appointments Required.

$25 Deposit for Prom and Black Tie Appointments

$50 Deposit for Bridesmaid and Mother's Appointments

$100 for Bridal Appointments and Ballgown Appointments

CUSTOMER SERVICE
  • Contact Us
  • King of Prussia Appointment
  • Langhorne Appointment
Information
  • Contact Us
  • F.A.Q.
  • Returns
  • Please No Food or Drinks in the Store! Thank you
My Account
  • My Account
  • Order History
  • Wish List
Locations
Oxford Valley Mall
2300 E Lincoln Hwy
Langhorne, PA 19047

Next to Macy's Upper Level
APPOINTMENT REQUIRED

(215) 702-8586
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
Text Us 484-580-9417

Shopping menu

PROM
  • Alyce Paris
  • Amarra
  • Ashley Lauren
  • Ava Presley
  • Colors Dress
  • Ellie Wilde
  • Faviana
  • Faviana Curves
  • Formals XO Exclusives
  • Jasz Couture
  • Jessica Angel
  • Johnathan Kayne
  • Jovani Prom
  • La Femme - Prom
  • Portia & Scarlett Couture
  • Portia & Scarlett Evening
  • Portia & Scarlett Pageant
  • Portia & Scarlett Prom
  • Primavera
  • Primavera Curvy Plus
  • Scala
  • Sherri Hill
  • Stella Prom
SHERRI HILL COLLECTIONS
  • Sherri Hill Prom
QUINCEANERA &amp; SWEET 16
  • House of Wu Quinceanera
  • Morilee Vizcaya
  • Portia & Scarlett Ballgowns
  • Princesa
HOMECOMING
  • Alyce Semi-Formal
  • Amarra Homecoming
  • Damas de Vizcaya
  • Faviana Cocktail
  • Formals XO Exclusives Short
  • Jasz Homecoming
  • Jessica Angel Cocktail
  • LaFemme Semi-Formal
  • Portia & Scarlett Cocktail
  • Primavera Short
  • Scala Cocktail
  • Sherri Hill Cocktail
  • Sophia Thomas HOCO
BRIDESMAIDS
  • JESSICA ANGEL COLLECTON
MOTHER of the BRIDE/GROOM
  • Montage
SALE
  • Sale Gowns and Dresses
MORE WAYS TO SHOP
  • NEW NEW NEW
  • Ballgowns
  • Bridal Gowns
  • Beaded/Sequin
  • Homecoming
  • Glitter Fabric
  • High-Low
  • Lace
  • Mermaid
  • Prom Gowns
  • Plus Sizes
  • Plain
  • Prints
  • Quinceanera
BOOK APPOINTMENT
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$0$6000

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Select up to 3 sizes

ColorSelect a color
Dress featuresSilhouette, neckline, sleeves and more
Occasion
Type
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Back Style
Color Scheme
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Hemline/Train
Neckline
Silhouette
Sleeve
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BE FIRST TO
KNOW

Your destination for designer-inspired prom dresses, homecoming styles, and unforgettable moments.

HOURS

Monday – Thursday
11–7
Friday & Saturday
10–7
Sunday
11–6

Appointments Required.

Appointment Deposits

$25 Deposit for Prom and Black Tie Appointments

$50 Deposit for Bridesmaid and Mother's Appointments

$100 for Bridal Appointments and Ballgown Appointments

CUSTOMER CARE

  • Appointments
  • FAQ
  • Contact Us
  • Returns & Policy

MY ACCOUNT

  • My Account
  • Order History
  • Wish List

LOCATIONS

Oxford Valley Mall
2300 E Lincoln Hwy, Langhorne, PA 19047
Next to Macy's Upper Level
APPOINTMENT REQUIRED
(215) 702-8586
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
Text Us 484-580-9417

BOOK YOUR
APPOINTMENT

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Be the first to shop new arrivals and get exclusive access to our latest styles!