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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

26165 Jovani Prom

26165 Jovani Prom

43760 Jovani Prom

43760 Jovani Prom

D5304 Jovani Prom

D5304 Jovani Prom

94038 Amarra Prom

94038 Amarra Prom

$1000
PS26431C Portia and Scarlett

PS26431C Portia and Scarlett

$969
4525 Primavera Couture Prom

4525 Primavera Couture Prom

$649
7905 JASZ Couture

7905 JASZ Couture

$878
4162 Primavera Couture Prom

4162 Primavera Couture Prom

$485
4316 Primavera Couture Prom

4316 Primavera Couture Prom

$499
62299 Alyce Paris Prom

62299 Alyce Paris Prom

$660
29713 La Femme Prom

29713 La Femme Prom

$378
Image Coming Soon

31416 La Femme Prom

$358
32231 La Femme Prom

32231 La Femme Prom

$438
32943 La Femme Prom

32943 La Femme Prom

$458
38309 Jovani Prom

38309 Jovani Prom

38608 Jovani Prom

38608 Jovani Prom

43765 Jovani Prom

43765 Jovani Prom

46260 Jovani Prom

46260 Jovani Prom

43823 Jovani Prom

43823 Jovani Prom

4044 Colors Dress

4044 Colors Dress

$460
4711 Primavera Couture Prom

4711 Primavera Couture Prom

$669
PS25273 Portia and Scarlett

PS25273 Portia and Scarlett

$799
14109

14109

$615
88936 Amarra Prom

88936 Amarra Prom

$898
89083 Amarra Prom

89083 Amarra Prom

$698
42800 Jovani Prom

42800 Jovani Prom

30615 La Femme Prom

30615 La Femme Prom

$378
31417 La Femme Prom

31417 La Femme Prom

$378
32232 La Femme Prom

32232 La Femme Prom

$698
32945 La Femme Prom

32945 La Femme Prom

$318
62445 Alyce Paris Prom

62445 Alyce Paris Prom

$556
89860 Amarra Prom

89860 Amarra Prom

$650
89644 Amarra Prom

89644 Amarra Prom

$650
89788 Amarra Prom

89788 Amarra Prom

$498
47748 Jovani Prom

47748 Jovani Prom

94008 Amarra Prom

94008 Amarra Prom

$540
4507 Primavera Couture Prom

4507 Primavera Couture Prom

$669
55551 Jovani Prom

55551 Jovani Prom

89175 Amarra Prom

89175 Amarra Prom

$638
7502 JASZ Couture

7502 JASZ Couture

$570
62230 Alyce Paris Prom

62230 Alyce Paris Prom

$638
62041 Alyce Paris Prom

62041 Alyce Paris Prom

$739
30616 La Femme Prom

30616 La Femme Prom

$398
32233 La Femme Prom

32233 La Femme Prom

$678
32946 La Femme Prom

32946 La Femme Prom

$358
2990 Colors Dress

2990 Colors Dress

$312
3267 Johnathan Kayne Collection

3267 Johnathan Kayne Collection

$520
37305 Ava Presley Prom

37305 Ava Presley Prom

$290
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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
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$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!