Zoe Saldana posed in the press room at the 2012 Teen Choice Awards on Sunday (July 22) in Universal City, California.

She picked out a geometric printed and sleeveless crop top teamed with a matching voluminous skirt both by Jonathan Saunders.

Zoe accompanied her ensemble with gold hoop earrings and a gold heart cuff both by Tiffany & Co., and aqua-blue satin open toe and ankle strap sandals by Christian Louboutin.

A clean updo and lovely makeup wrapped up her look.

Buy It:

Jonathan Saunders Benedict Cropped Printed Silk Gazar Top at Net-A-Porter

Jonathan Saunders Belle Printed Silk Gazar Skirt at Net-A-Porter

Elsa Peretti for Tiffany & Co. Full Heart Cuff at Tiffany & Co.

Christian Louboutin Vampanodo Sandals at Barneys New York

Same shoes in black:

Christian Louboutin Vampanodo Satin and Suede Sandals at Net-A-Porter

Christian Louboutin Vampanodo Sandals at Barneys New York

Similar shoes by Christian Louboutin in a different color:

Christian Louboutin Vampanodo Satin Bow Sandals at Neiman Marcus

Christian Louboutin Vampanodo Satin Bow Sandals at Bergdorf Goodman

Justin Bieber arrived at the 2012 Teen Choice Awards on Sunday (July 22) in Universal City, California.

He dressed up in camouflage henley by Dolce & Gabbana styled with fresh white pants by Marc by Marc Jacobs and white lace up high top sneakers by Supra.

Justin accessorized with silver jewelry and stylish sunglasses by RetroSuperFuture.

For his performance, he sported a custom silver spray painted ensemble paired with sneakers by Supra.

Buy It:

Dolce & Gabbana Camo Henley at Nordstrom

Similar sunglasses by Retro:

Retro Super Future 'People' sunglasses at farfetch.com

Supra Skytop II at Zappos

Supra Skytop II at 6pm.com

Supra Skytop II at 6pm.com

Similar vest:

Levi's Denim Trucker Vest at Urban Outfitters

Vanessa Marano joined the stars at 2012 Teen Choice Awards on Sunday (July 22) in Universal City, California.

She picked out a black peplum dress with cap sleeves and a gold zipper detail down the center front by Ted Baker.

Her dress was styled with a ruby pendant necklace by Erica Courtney and a handful of yellow bracelets by Dogeared for pops of color.

She finished her look with a pink-red lip shade, voluminous curls, and edgy black leather platform sandals by Q by Pasquale.

Buy It:

Ted Baker Jamthun Zip Detail Dress at Ted Baker

Dogeared Jewels Healing Gems Stardust Bead Bangle at Zappos

Kristen Stewart joined Robert Pattinson and Taylor Lautner onstage to accept the Ultimate Choice award at the 2012 Teen Choice Awards on Sunday (July 22) in Universal City, California.

She opted for a royal blue and off-white patterned blazer with black lapels by Roberto Cavalli styled with a tee by Fluxus and black leather skinny pants by Roberto Cavalli.

Kristen also added bracelets including one by Maison Martin Margiela, rings including her favorite onyx ring by Melinda Maria, and her current favorite Christian Louboutin "Pigalle" pointed toe pumps to her look.

Carefree, wavy curls, dark eye makeup, and a pink lip shade pulled her look together.

Buy It:

Melinda Maria Sliced Ring at melindamaria.com

Christian Louboutin Pigalle 120 Patent Pumps at ShopSavannahs

Christian Louboutin Pigalle 120 Patent Leather Pumps at Net-A-Porter

Christian Louboutin Pigalle Patent Pumps at LUISAVIAROMA

Similar pants:

Helmut Lang Stretch-Leather Skinny Pants at Bergdorf Goodman

J Brand Leather Pants at Barneys New York

Troian Bellisario joined the cast of "Pretty Little Liars" for the 2012 Teen Choice Awards on Sunday (July 22) in Universal City, California.

She wore a nude sleeveless bodysuit with a plunging v-neck teamed with a nude tulle mini skirt both by Maria Lucia Hohan.

Troian also styled her hair down in wavy curls with dark eye makeup and a dark pink lip shade.

Her ballerina-inspired look was complete with emerald drop earrings by Adeler, an emerald ring by Tresor, and black and nude bow topped peep toe platform pumps by Rene Caovilla.

Buy It:

Similar earrings:

Wendy Mink Double Drop Earrings, Assorted Colors at Charm & Chain

Similar dresses:

Halston Heritage Pleated Chiffon Wrap Dress (On Sale) at theOutnet

Donna Morgan Satin Chiffon V-Neck Dress at Zappos

Similar shoes:

Studio Paolo Gigi Peep-Toe Pumps with Bow at JCPenney

Valentino Couture Bow Platform Pump at Nordstrom

Shay Mitchell made an appearance at the 2012 Teen Choice Awards on Sunday (July 22) in Universal City, California.

She picked out an acid yellow strapless bustier dress with an A-line skirt by Donna Karan.

Her dress was matched with a statement ring, a mini tube clutch by Jimmy Choo, and nude platform pumps by Camilla Skovgaard.

Dark eye makeup and large wavy curls rounded out her look.

Buy It:

Same shoes in different colors:

Camilla Skovgaard Patent Wooden Stiletto Pumps at LUISAVIAROMA

Camilla Skovgaard Contrast Heel Suede Pumps (On Sale) at theOutnet

Camilla Skovgaard Plum Nubuck Platform Pumps (On Sale) at StyleBop

Jimmy Choo Mini Tube Glutter Fabric Clutch at mytheresa

Same clutch in different colors:

Jimmy Choo "Mini Tube" Bronze Glitter Clutch at Shirise

Jimmy Choo "Mini Tube" Black Glitter Clutch at Shirise

Jimmy Choo Mini Tube Glitter Evening Clutch at Saks Fifth Avenue

Jimmy Choo Minitube Navy Glitter Clutch at ShopSavannahs

Jimmy Choo Minitube Silver Black Clutch at ShopSavannahs

Jimmy Choo Minitube Clutch at farfetch.com

Jimmy Choo Minitube Clutch at farfetch.com

Similar dress:

Lilly Pulitzer Lakeland Dress at Piperlime

Lucy Hale was in attendance at the 2012 Teen Choice Awards on Sunday (July 22) in Universal City, California.

She looked super pretty wearing a coral-orange Wes Gordon sleeveless dress with an A-line skirt and cut in sleeves.

Lucy accessorized her dress with gold spike stud earrings by Bing Bang, gold bracelets by Giles & Brother, and a gold box clutch by Jimmy Choo.

A side swept braided ponytail, a coral lip shade, dark eye makeup, and metallic gold platform sandals by Brian Atwood finished off her look.

Buy It:

Giles & Brother Cortina Hammered Cuff Bracelet at Saks Fifth Avenue

Giles & Brother Cortina Cuff at shopbop.com

Giles & Brother Archer Gold-Tone Cuff at Net-A-Porter

Similar dresses:

3.1 Phillip Lim Sleeveless Dress at farfetch.com

Rag and Bone Adeline Dress (On Sale) Rag and Bone

Alexia Admor Short Jacquard in Coral at CoutureCandy

Similar clutch:

Whiting & Davis Mesh Box Clutch at Nordstrom

Carly Rae Jepsen arrived at the 2012 Teen Choice Awards on Sunday (July 22) in Universal City, California.

She picked out a palm tree printed shorts suit by Lisa Ho paired with a white bustier top.

The "Call Me Maybe" singer continued her ensemble with a charming Kate Spade tiki bar clutch and black patent Aldo "Lindall" platform pumps.

She accessorized with large gold stud earrings by Karine Sultan and rings by Kabana.

A straight hair style with bangs the front, dark eye makeup, a purple nail shade, and a pink lip shade rounded out her menswear-inspired look.

For her performance, the singer changed into a strapless romper with a revealing sweetheart neckline by Ani Lee. She teamed her patterned romper with white high top sneakers and a bicycle necklace.

Buy It:

Aldo Lindall Pumps at Nordstrom

Kate Spade Tiki Bar Cocktail Clutch at Neiman Marcus

Kate Spade Tiki Bar Cocktail Clutch at Bloomingdale's

Kate Spade Tiki Bar-Cocktail Clutch at Amazon.com

Kate Spade Tiki Bar-Cocktail Clutch at Endless.com

Kate Spade Tiki Bar Cocktail Clutch at Zappos Couture

Karine Sultan Gold Stud Earrings at karinesultan.com

Kabana 14K Yellow Gold Ring with Bronze Mother of Pearl and Diamonds at kabana.net

Kabana 14K Yellow Gold Ring with Bronze Mother of Pearl and Diamonds at kabana.net

Chelsea Kane arrived at the 2012 Teen Choice Awards on Sunday (July 22) in Universal City, California.

She showed off her legs wearing a pair of multi-colored patchwork shorts by Alice + Olivia teamed with a white silk blouse with yellow beaded long sleeves by French Connection.

Chelsea continued her look with large gold stud earrings by Karine Sultan and bright blue suede platform pumps.

A simple hair style and pretty makeup finalized her look.

Buy It:

French Connection Beaded Sleeve Silk Top (On Sale) at Lord & Taylor

Alice + Olivia Cropped Shorts (On Sale) at Alice + Olivia

Similar shoes:

Jessica Simpson Waleo Platform Pumps at Lord & Taylor

Jimmy Choo Cosmic Suede Pumps at Neiman Marcus

Karine Sultan Gold Stud Earrings at karinesultan.com

Hayden Panettiere posed for photographers at the the 2012 Teen Choice Awards on Sunday (July 22) in Universal City, California.

She sparkled in a light purple sequined dress with cap sleeves, a cut out back, and a ruffled hem by Zuhair Murad.

Her dress was coordinated with a purple sequined clutch, sparkly jewelry including a Swarovski blue crystal snake ring, and purple B Brian Atwood "Fontanne" colorblock and snakeskin platform pumps.

Beachy, wavy curls, dark eye makeup, and a pink lip shade pulled her look together.

Buy It:

Brian Atwood Snakeskin Colorblock Platform Pumps at Saks Fifth Avenue

B Brian Atwood Fontanne Pumps at Nordstrom

B Brian Atwood Fontanne Colorblock Snakeskin Platform Pumps at Bergdorf Goodman

B Brian Atwood Fontanne Colorblock Snakeskin Platform Pumps at Neiman Marcus