Shailene Woodley rocked the menswear trend with this black double-breasted halter-neck vest and tailored trousers from Stella McCartney's Fall 2012 collection.
Black and silver Stella McCartney strappy sandals, barely-there make-up and a youthful messy fishtail braid completed the chic look.
The ‘Pretty Little Liars’ actress, Lucy Hale donned a colour-block Catherine Malandrino halter dress featuring a coral top, a cobalt blue waistband and a tulip-shaped teal skirt.
She channeled some Old Hollywood glamour with her loosely styled updo.
Julianne Hough showed off her toned abs in a black Sally LaPointe laser cut peplum mini dress from the Fall 2012 collection which she coordinated with black peep-toes.
Straight locks and glossy lips provided the finishing touches.
Christina Ricci donned a custom made black Christian Siriano strapless dress covered with Timex watch parts and Swarovski crystals.
She finished her look with black platform pumps and a simple pulled-back hairstyle.
Victoria Justice brightened up wearing a summery Erin Featherston Spring 2012 dress that featured a white one-shoulder ruched bodice and a yellow asymmetric chiffon skirt.
A waist cinching black belt was complemented by her matching bracelets and black Michael Kors strappy sandals.
Special Style Correspondent, Kat Graham went sexy-meets-glamorous in a black Maria Lucia Hohan long-sleeved gown that featured a thigh high slit and a plunging V-neckline.
For hair, she chose a slicked back style, letting her large gold statement earrings take center stage.
Louise Roe selected a purple David Meister knit one-shoulder gown with a draped detail which she teamed with gold sandals and an edgy cuff.
"Twilight" actress, Julia Jones stood out on the red carpet in her neon yellow Joy Cioci laser cut peplum dress from the Spring 2012 collection.
The look was pulled together with a classic pair of nude Jimmy Choo pointed pumps and straight locks.