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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

61513 Alyce Paris Prom
IN STOCK

61513 Alyce Paris Prom

$398
7982 JASZ Couture
IN STOCK

7982 JASZ Couture

$372
89809 Amarra Prom
IN STOCK

89809 Amarra Prom

$550
88274 Amarra Prom
IN STOCK

88274 Amarra Prom

$530
21330 La Femme Prom
IN STOCK

21330 La Femme Prom

Original price $298 Sale price $199.99
25540 La Femme Prom
IN STOCK

25540 La Femme Prom

Original price $350 Sale price $299.99
1911P8647 Terani Prom
IN STOCK

1911P8647 Terani Prom

Original price $405 Sale price $370.99
31943 La Femme Prom
IN STOCK

31943 La Femme Prom

$478
31944 La Femme Prom
IN STOCK

31944 La Femme Prom

$418
3932 Colors Dress
IN STOCK

3932 Colors Dress

$409
62092 Alyce Paris Prom
IN STOCK

62092 Alyce Paris Prom

$518
3040 Clarisse Prom
IN STOCK

3040 Clarisse Prom

Original price $258 Sale price $199.99
4552 Primavera Couture Prom
IN STOCK

4552 Primavera Couture Prom

$599
88813 Amarra Prom
IN STOCK

88813 Amarra Prom

$550
PS22666 Portia and Scarlett
IN STOCK

PS22666 Portia and Scarlett

$500
3528 Clarisse Prom
IN STOCK

3528 Clarisse Prom

Original price $271 Sale price $249.99
PS26064 Portia and Scarlett
IN STOCK

PS26064 Portia and Scarlett

$1299
32578 La Femme Prom
IN STOCK

32578 La Femme Prom

$498
08256 Jovani Prom
IN STOCK

08256 Jovani Prom

PS25229 Portia and Scarlett
IN STOCK

PS25229 Portia and Scarlett

$699
3442 Clarisse Prom
IN STOCK

3442 Clarisse Prom

Original price $350 Sale price $299.99
61495 Alyce Paris Prom
IN STOCK

61495 Alyce Paris Prom

$358
31980 La Femme Prom
IN STOCK

31980 La Femme Prom

$398
3602 Colors Dress
IN STOCK

3602 Colors Dress

$312
3913 Primavera Couture Prom
IN STOCK

3913 Primavera Couture Prom

$449
7414 JASZ Couture
IN STOCK

7414 JASZ Couture

$548
810750 Clarisse Prom
IN STOCK

810750 Clarisse Prom

Original price $372 Sale price $349.99
PS24694 Portia and Scarlett
IN STOCK

PS24694 Portia and Scarlett

$629
D5302 Jovani Prom
IN STOCK

D5302 Jovani Prom

7673 JASZ Couture
On Sale
IN STOCK

7673 JASZ Couture

Original price $438 Sale price $399.99
31182 La Femme Prom
IN STOCK

31182 La Femme Prom

$498
31992 La Femme Prom
IN STOCK

31992 La Femme Prom

$478
7410 JASZ Couture
IN STOCK

7410 JASZ Couture

$438
02472 Jovani Prom
IN STOCK

02472 Jovani Prom

31993 La Femme Prom
IN STOCK

31993 La Femme Prom

$598
PS25188 Portia and Scarlett
IN STOCK

PS25188 Portia and Scarlett

$549
42691 Jovani Prom
IN STOCK

42691 Jovani Prom

52870 Jovani Prom
IN STOCK

52870 Jovani Prom

29700 La Femme Prom
IN STOCK

29700 La Femme Prom

$378
PS24943 Portia and Scarlett
IN STOCK

PS24943 Portia and Scarlett

$839
PS22543 Portia and Scarlett
IN STOCK

PS22543 Portia and Scarlett

$659
6022 JASZ Couture
IN STOCK

6022 JASZ Couture

Original price $338 Sale price $299.99
32007 La Femme Prom
IN STOCK

32007 La Femme Prom

$598
3114 Colors Dress
IN STOCK

3114 Colors Dress

$394
46206 Jovani Prom
New Arrival
IN STOCK

46206 Jovani Prom

810408 Clarisse Prom
IN STOCK

810408 Clarisse Prom

Original price $473 Sale price $449.99
2743 Colors Dress
IN STOCK

2743 Colors Dress

$416
31218 La Femme Prom
IN STOCK

31218 La Femme Prom

$438
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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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PriceFind your price range
-
$0$6000

In-stock by sizeFind a dress in your size

Select up to 3 sizes

ColorSelect a color
Dress featuresSilhouette, neckline, sleeves and more
Occasion
Type
Feature
Back Style
Color Scheme
Embellishment
Fabric
Hemline/Train
Neckline
Silhouette
Sleeve
Straps

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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

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