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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

27565 La Femme Prom
IN STOCK

27565 La Femme Prom

$438
55634 Jovani Prom
IN STOCK

55634 Jovani Prom

33355 La Femme Prom
IN STOCK

33355 La Femme Prom

$498
33473 La Femme Prom
IN STOCK

33473 La Femme Prom

$498
33505 La Femme Prom
IN STOCK

33505 La Femme Prom

$498
33768 La Femme Prom
IN STOCK

33768 La Femme Prom

$599
33808 La Femme Prom
IN STOCK

33808 La Femme Prom

$528
88261 Amarra Prom
IN STOCK

88261 Amarra Prom

$658
88508 Amarra Prom
IN STOCK

88508 Amarra Prom

$519
7547 JASZ Couture
IN STOCK

7547 JASZ Couture

$548
49628 Jovani Prom
IN STOCK

49628 Jovani Prom

88346 Amarra Prom
IN STOCK

88346 Amarra Prom

$450
PS24317 Portia and Scarlett
IN STOCK

PS24317 Portia and Scarlett

$529
26994 La Femme Prom
IN STOCK

26994 La Femme Prom

$398
06203 Jovani Prom
IN STOCK

06203 Jovani Prom

4567 Primavera Couture Prom
IN STOCK

4567 Primavera Couture Prom

$595
32423 La Femme Prom
IN STOCK

32423 La Femme Prom

$478
60283 Jovani Prom
IN STOCK

60283 Jovani Prom

D5030 Jovani Prom
IN STOCK

D5030 Jovani Prom

05839 Jovani Prom
IN STOCK

05839 Jovani Prom

61851 Alyce Paris Prom
IN STOCK

61851 Alyce Paris Prom

$492
19-135 Madison James Prom
IN STOCK

19-135 Madison James Prom

Original price $398 Sale price $349.99
PS25182 Portia and Scarlett
IN STOCK

PS25182 Portia and Scarlett

$769
4829 Clarisse Prom
IN STOCK

4829 Clarisse Prom

Original price $450 Sale price $349.99
88872 Amarra Prom
IN STOCK

88872 Amarra Prom

$550
7988 JASZ Couture
IN STOCK

7988 JASZ Couture

$349
D5042 Jovani Prom
IN STOCK

D5042 Jovani Prom

42935 Jovani Prom
IN STOCK

42935 Jovani Prom

PS24402 Portia and Scarlett
IN STOCK

PS24402 Portia and Scarlett

$569
37249 Jovani Prom
IN STOCK

37249 Jovani Prom

88830 Amarra Prom
IN STOCK

88830 Amarra Prom

$318
28276 La Femme Prom
IN STOCK

28276 La Femme Prom

$398
D5807 Jovani Prom
IN STOCK

D5807 Jovani Prom

61733 Alyce Paris Prom
IN STOCK

61733 Alyce Paris Prom

$466
2874 Colors Dress
IN STOCK

2874 Colors Dress

$504
31701 La Femme Prom
IN STOCK

31701 La Femme Prom

$478
32441 La Femme Prom
IN STOCK

32441 La Femme Prom

$578
18-642 Madison James Prom
IN STOCK

18-642 Madison James Prom

Original price $258 Sale price $225.99
08153 Jovani Prom
IN STOCK

08153 Jovani Prom

25439 La Femme Prom
IN STOCK

25439 La Femme Prom

Original price $338 Sale price $299.99
61817 Alyce Paris Prom
IN STOCK

61817 Alyce Paris Prom

$505
2715 Clarisse Prom
IN STOCK

2715 Clarisse Prom

Original price $278 Sale price $225.99
88749 Amarra Prom
IN STOCK

88749 Amarra Prom

$600
PS24508 Portia and Scarlett
IN STOCK

PS24508 Portia and Scarlett

$1049
3496 Colors Dress
IN STOCK

3496 Colors Dress

$482
32450 La Femme Prom
IN STOCK

32450 La Femme Prom

$698
62012 Alyce Paris Prom
IN STOCK

62012 Alyce Paris Prom

$380
62192 Alyce Paris Prom
IN STOCK

62192 Alyce Paris Prom

$494
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

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Dress featuresSilhouette, neckline, sleeves and more
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Color Scheme
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Hemline/Train
Neckline
Silhouette
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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!