Young Hollywood's hottest stars hit the red carpet at the Teen Choice Awards on Sunday night at the Gibson Amphitheatre in Los Angeles, dressed to rock and shock. From Twilight vamps to teen dreams, RadarOnline.com has divided the style winners from the sinners in this special photo feature!

Mirror mirror on the wall, who was the most stylish TCA starlet of them all?

The competition was fierce on the fashion front, as Taylor Swift looked white hot Old Hollywood style and Zoe Saldana sizzled in a multi-colored metallic Lanvin number, but the biggest babe of the evening was Blake Lively. The Gossip Girl showed off her covetable curves in a vibrantly hued Gucci Resort 2012 leather dress, which she perfectly paired with leopard print Christian Louboutin Pigalle pumps. Now only if she had Leo on her arm...

PHOTOS: Stars In the Best, Worst & Wackiest Fashions At The 2011 Teen Choice Awards

Was Selena Gomez honoring her beau Justin Bieber by rocking purple Brian Atwood sandals and a matching Herve Leger clutch with her barely-there  mini?  The Disney hottie definitely showed off her bod in a buttercream Erin Fetherston dress, but it wasn't doing her any fashion favors and seemed a bit racy for the Teen Choice crowd.

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And as for wacky fashion, it appeared that Tyra Banks thought she was headed to a costume party instead of the Teen Choice Awards. The Top Model host was dressed to shock in a black and yellow leather catsuit, which she described on Twitter as "fierce bumble bee."

PHOTOS: Biggest Fashion Blunders On The Teen Choice Red Carpet

What other stars were dressed to rock and shock on the fashion front at the 2011 Teen Choice Awards?  Click here to find out.

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Some girls have it all!

A blockbuster movie? Check. A singing career with a chart topper? Check. A boyfriend who is cute, smart, successful and an international star? Check.

Selena Gomez is a brunette darling on top of her game with her heartthrob boyfriend Justin Bieber by her side, but the Disney star who is all grown up admits that she still has insecurities like everyone else.

Sean Kingston made his first carpet appearance since his near fatal jet ski crash on Memorial Day weekend.

Kingston -- wearing a bright red vest, white t-shirt, jeans and gold jewelry -- posed on the “blue” carpet at the 2011 Teen Choice Awards in Universal City on Sunday.

The Jamaican-American singer, 21, later made an appearance on stage, after a warm introduction from Tyra Banks, who said: “I could not be more excited to welcome back to the Teen Choice stage, our friend Sean Kingston!”

The big winners at Sunday night's 2011 Teen Choice Awards at Universal City's Amphitheatre were Taylor Swift, Selena Gomez and Harry Potter.

The Harry Potter franchise nabbed a whopping seven surfboards - Choice Movie (sci-fi), Choice Summer Movie, Choice Movie Actor-sci-fi (Daniel Radcliffe), Choice Summer Movie Actress sci-fi (Emma Watson), Choice Summer Movie Star (Emma Watson), Choice Movie Villain (Tom Felton) and Choice Lip-lock (Daniel Radcliffe and Emma Watson).

PHOTOS: Stars In the Best, Worst & Wackiest Fashions At The 2011 Teen Choice Awards

Country cutie Taylor Swift won five awards, Ultimate Choice, Choice Female Artist, Choice Female Artist (Country), Choice Breakup Song: Back to December, Choice Single (Country): Mean and Choice Red Carpet Fashion Icon.

Justin Bieber's babe, Selena Gomez matched the score with five awards of her own, including, Choice Hottie, Choice Actress, Choice Music Single of the Year: Who Says, Choice Music Group: Selena Gomez & the Scene and Choice Love Song: Love You Like a Love Song.

PHOTOS: Biggest Fashion Blunders On The Teen Choice Red Carpet

The Biebs wasn't too far behind his sweetheart, winning a total of four awards - Choice Male Music Artist, Choice Villain, Choice Male Hottie and Choice Twit!

And, not surprisingly, Twilight also scored a fair share of the awards with Kellan Lutz and Ashley Greene winning choice scene stealers, hunky Taylor Lautner winning Choice scifi actor and Robert Pattinson scoring twice with Choice Vampire and Choice Movie Actor Drama.

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Demi Lovato is jumping back into the public spotlight in a big way.

The Skyscraper singer, 18, walked the “blue” carpet at the 2011 Teen Choice Awards Sunday night at Universal City, and at one point, she posed with her pal Selena Gomez.

Lovato later appeared on stage to accept the Acuvue Inspire Award for her courageous decision to pull out of a concert tour last year to enter rehab for abuse issues.

Young Hollywood was out in force Sunday at the Gibson Amphitheatre in Universal City, CA for the 2011 Teen Choice Awards.

Kids aged 13-19 decide the winners and not surprisingly the show is packed with performances and appearances from all the latest teen heartthrobs, including Justin Bieber, Miley Cyrus, Rob Pattinson and Taylor Lautner.

PHOTOS: Stars In the Best, Worst & Wackiest Fashions At The 2011 Teen Choice Awards

Hosted by 25-year-old Big Bang theory actress Kaley Cuoco and with performances by The Scene and Selena Gomez, The Teen Choice Awards is bound to be a fun-packed entertaining night.

RadarOnline.com will be live blogging the winners so be sure to check back regularly for all the latest developments as they happen.

PHOTOS: Biggest Fashion Blunders On The Teen Choice Red Carpet

Keeping up With The Kardashians opened up the night's festivities and first the performance of the night came from the Black Eyed Peas star Will.i.am.

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