The singer and actress stole the red carpet show in the dark green Cushnie et Ochs clinging number with showed off her svelte figure and toned legs with a double slit.
Turquoise Neil Lane earrings, poker straight hair and nude high heeled Nicholas Kirkwood pumps completed her look.
Going green: Selena Gokez showed off her extremely slender figure and slim legs in a stunning clinging dress with a double slit showing off her slender legs TEEN CHOICE AWARDS: Sexy Selena Gomez does a 'double Angelina'
The star was nominated for a whopping six awards at the annual event which took place at the Gibson Ampitheatre at Universal Studios.
Nominations included Choice Female Artist; Choice Summer Music Star: Female; Choice Single: Female Artist for Come & Get It; Choice Break-Up Song for Come & Get It; Choice Smile, and Choice Female Hottie.
Selena has already won seven Teen Choice Awards, but faced stiff competition, with friends Miley Cyrus, Taylor Swift and Demi Lovato all up against her in many of the categories.
Saucy Selena! The singer and actress showed she has sophisticated tastes in the clinging dress
Sexy Selena: The star put recent revelations
regarding her boyfriend Justin Timberlake behind her by looking
confident and unfazed on the carpet
Demi was also on the carpet, opting for a somewhat edgier look, sporting black leather trousers, a beaded black blazer and white T-shirt, with her blonde hair teased into a mini quiff at the front.
The X Factor host performed with Nick Jonas on the drums,and also presented a gong at the ceremony alongside last year's girl band finalists Fifth Harmony.
She ended up walking away with three gongs, winning Choice Female Artist, Choice Single by a Female Artist for Heart Attack and Choice TV Personality, Female.
'Thank you guys so much for the Teen Choice Awards!!!! Love you all sooooo much!!!' she tweeted later.
Racy: Miley Cyrus sported a leather bra, under a sheer top teamed with a black studded skirt and white platform heels
Green goddess: Sandra Bullock skipped the red carpet but stepped out on stage to accept the gong for Summer Movie Star
Hell for leather: Demi Lovato sported black trousers, a beaded black blazer and a white T--shirt for the event 
