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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

PS25267 Portia and Scarlett
IN STOCK

PS25267 Portia and Scarlett

$739
PS24315 Portia and Scarlett
IN STOCK

PS24315 Portia and Scarlett

$839
61820 Alyce Paris Prom
IN STOCK

61820 Alyce Paris Prom

$428
48364 Jovani Prom
IN STOCK

48364 Jovani Prom

7948 JASZ Couture
IN STOCK

7948 JASZ Couture

$658
32069 La Femme Prom
IN STOCK

32069 La Femme Prom

$478
1711P2713 Terani Prom
On Sale
IN STOCK

1711P2713 Terani Prom

Original price $594 Sale price $349.99
49316 Jovani Prom
IN STOCK

49316 Jovani Prom

62008 Alyce Paris Prom
IN STOCK

62008 Alyce Paris Prom

$438
810420 Clarisse Prom
IN STOCK

810420 Clarisse Prom

Original price $341 Sale price $325.99
88208 Amarra Prom
IN STOCK

88208 Amarra Prom

$460
88501 Amarra Prom
IN STOCK

88501 Amarra Prom

$559
32077 La Femme Prom
IN STOCK

32077 La Femme Prom

$698
52756 Jovani Prom
IN STOCK

52756 Jovani Prom

61938 Alyce Paris Prom
On Sale
IN STOCK

61938 Alyce Paris Prom

Original price $478 Sale price $399.99
4311 Primavera Couture Prom
IN STOCK

4311 Primavera Couture Prom

$559
32781 La Femme Prom
IN STOCK

32781 La Femme Prom

$598
88746 Amarra Prom
IN STOCK

88746 Amarra Prom

$418
31306 La Femme Prom
IN STOCK

31306 La Femme Prom

$418
89475 Amarra Prom
IN STOCK

89475 Amarra Prom

$518
32090 La Femme Prom
IN STOCK

32090 La Femme Prom

$498
3073 Primavera Couture Prom
IN STOCK

3073 Primavera Couture Prom

$499
32799 La Femme Prom
IN STOCK

32799 La Femme Prom

$398
4553 Primavera Couture Prom
IN STOCK

4553 Primavera Couture Prom

$549
30467 La Femme Prom
IN STOCK

30467 La Femme Prom

$498
4247 Jovani Prom
IN STOCK

4247 Jovani Prom

45759 Jovani Prom
IN STOCK

45759 Jovani Prom

61889 Alyce Paris Prom
IN STOCK

61889 Alyce Paris Prom

$518
PS25243 Portia and Scarlett
On Sale
IN STOCK

PS25243 Portia and Scarlett

Original price $599 Sale price $499.99
14074 Curvy by Primavera
IN STOCK

14074 Curvy by Primavera

$699
61481 Alyce Paris Prom
IN STOCK

61481 Alyce Paris Prom

$338
32111 La Femme Prom
IN STOCK

32111 La Femme Prom

$638
32828 La Femme Prom
IN STOCK

32828 La Femme Prom

$338
3211 Primavera Couture Prom
IN STOCK

3211 Primavera Couture Prom

$449
PS26043 Portia and Scarlett
IN STOCK

PS26043 Portia and Scarlett

$679
88797 Amarra Prom
IN STOCK

88797 Amarra Prom

$498
4331 Primavera Couture Prom
IN STOCK

4331 Primavera Couture Prom

$559
3409 Clarisse Prom
IN STOCK

3409 Clarisse Prom

Original price $347 Sale price $299.99
31341 La Femme Prom
IN STOCK

31341 La Femme Prom

$498
32835 La Femme Prom
IN STOCK

32835 La Femme Prom

$549
44437 Jovani Prom
IN STOCK

44437 Jovani Prom

18-741 Madison James Prom
IN STOCK

18-741 Madison James Prom

Original price $390 Sale price $349.99
19-161 Madison James Prom
IN STOCK

19-161 Madison James Prom

Original price $330 Sale price $299.99
PS24038 Portia and Scarlett
IN STOCK

PS24038 Portia and Scarlett

$659
31351 La Femme Prom
IN STOCK

31351 La Femme Prom

$498
PS25230 Portia and Scarlett
IN STOCK

PS25230 Portia and Scarlett

$389
33305 La Femme Prom
IN STOCK

33305 La Femme Prom

$498
89447 Amarra Prom
IN STOCK

89447 Amarra Prom

$498
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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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
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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!