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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 Quinceañera
    • 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

30466 La Femme Prom
IN STOCK

30466 La Femme Prom

$438
88330 Amarra Prom
IN STOCK

88330 Amarra Prom

$478
18-679 Madison James Prom
IN STOCK

18-679 Madison James Prom

Original price $278 Sale price $235.99
32918 La Femme Prom
IN STOCK

32918 La Femme Prom

$419
43623 Jovani Prom
New Arrival
IN STOCK

43623 Jovani Prom

40755 Jovani Prom
IN STOCK

40755 Jovani Prom

7657 JASZ Couture
IN STOCK

7657 JASZ Couture

$504
1012 Jovani Prom
IN STOCK

1012 Jovani Prom

55187 Jovani Prom
IN STOCK

55187 Jovani Prom

$550
06017 Jovani Prom
IN STOCK

06017 Jovani Prom

37271 Jovani Prom
IN STOCK

37271 Jovani Prom

Image Coming Soon
IN STOCK

42399 Jovani Prom

88266 Amarra Prom
IN STOCK

88266 Amarra Prom

$598
42729 Jovani Prom
IN STOCK

42729 Jovani Prom

08235 Jovani Prom
IN STOCK

08235 Jovani Prom

46247 Jovani Prom
IN STOCK

46247 Jovani Prom

D5017 Jovani Prom
IN STOCK

D5017 Jovani Prom

89331 Amarra Prom
IN STOCK

89331 Amarra Prom

$598
23010 Jovani Prom
IN STOCK

23010 Jovani Prom

52324 Jovani Prom
New Arrival
IN STOCK

52324 Jovani Prom

3431 Colors Dress
IN STOCK

3431 Colors Dress

$336
PS24100 Portia and Scarlett
On Sale
IN STOCK

PS24100 Portia and Scarlett

Original price $549 Sale price $399.99
42512 Jovani Prom
IN STOCK

42512 Jovani Prom

7348 JASZ Couture
On Sale
IN STOCK

7348 JASZ Couture

Original price $592 Sale price $449.99
PS21207 Portia and Scarlett
IN STOCK

PS21207 Portia and Scarlett

$500
PS21208 Portia and Scarlett
IN STOCK

PS21208 Portia and Scarlett

$500
32970 La Femme Prom
IN STOCK

32970 La Femme Prom

$498
PS25963 Portia and Scarlett
IN STOCK

PS25963 Portia and Scarlett

$699
48994 Jovani Prom
IN STOCK

48994 Jovani Prom

17-273 Madison James Prom
IN STOCK

17-273 Madison James Prom

Original price $390 Sale price $199.99
33338 La Femme Prom
IN STOCK

33338 La Femme Prom

$528
4801 Clarisse Prom
IN STOCK

4801 Clarisse Prom

Original price $460 Sale price $399.99
31515 La Femme Prom
IN STOCK

31515 La Femme Prom

$498
88871 Amarra Prom
IN STOCK

88871 Amarra Prom

$300
32596 Jovani Prom
IN STOCK

32596 Jovani Prom

61755 Alyce Paris Prom
IN STOCK

61755 Alyce Paris Prom

$538
28355 La Femme Prom
IN STOCK

28355 La Femme Prom

$498
20019 Amarra Prom
IN STOCK

20019 Amarra Prom

$499
40692 Jovani Prom
IN STOCK

40692 Jovani Prom

44538 Jovani Prom
IN STOCK

44538 Jovani Prom

9562 Faviana Curves
IN STOCK

9562 Faviana Curves

$498
3675 Jovani Prom
IN STOCK

3675 Jovani Prom

33639 La Femme Prom
IN STOCK

33639 La Femme Prom

$498
18-650 Madison James Prom
IN STOCK

18-650 Madison James Prom

Original price $238 Sale price $225.99
38148 Jovani Prom
IN STOCK

38148 Jovani Prom

53835 Jovani Prom
IN STOCK

53835 Jovani Prom

88299 Amarra Prom
IN STOCK

88299 Amarra Prom

$458
88359 Amarra Prom
IN STOCK

88359 Amarra Prom

$550
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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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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

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