Who Wore it Best?

Back in November, "90210" star AnnaLynne McCord wore a skin-tight one-shoulder cut-out dress by Donna Mizani during a night out on the town. "The Hills" bad girl Kristin Cavallari chose the same look for a more recent outing on March 25th.

Who Wore it Best?

"Sex and the City" star Kim Cattrall posed at The 2010 Laurence Olivier Awards in London, England on March 21, 2010 in a pretty white ruffled one-shoulder Lanvin dress. Actress Michelle Williams wore the same look to the "Shutter Island" special screening on February 17, 2010 in New York City.

Who Wore it Best?

Rihanna was spotted in Los Angeles International Airport (with her entourage in tow) on January 3, 2009 wearing a pair of Charley 5.0 Skinny Tie Dye Legging Jeans with an oversized mesh sweater, hot pink Givenchy sandals and blue and brown sunglasses. But Ciara rocked the same leggings with a loose tank and black platform heels last June on the red carpet at the Hollywood premiere of "Transformers."

Who Wore it Best?

Jennifer Lopez wore an A.L.C. navy & white striped maxi dress at the Dolphins vs New England Patriots football game in Miami on December 6, 2009. We remember Rihanna wearing the same dress dress in August. The two singers both paired their long, flowy dresses with big-framed sunglasses.

Who Wore it Best?

Georgina Chapman wore a lovely strapless satin dress (from her own line, Marchesa) to an event on July 25, 2009 in Los Angeles. Susan Lucci liked the look enough to copy it for a gala in New York on October 26, 2009.

Who Wore it Best?

Aussie model Lara Bingle wore Louis Vuitton to an event for the brand on October 29, 2009 in Melbourne, Australia. Months earlier, Rihanna wore the same one to a gala at Cipriani in New York City. Predictably, the pop star paired it with lace-up black combat boots for an edgier look.

Who Wore it Best?

Serena Williams looked chic in this modern take on the pant suit at the "Whip It" premiere on September 29, 2009 in Los Angeles, California. The tennis pro wore a Gryphon sequin racerback tank, cropped pants, and peep-toe heels. But we remember spotting Ciara at the Los Angeles premiere of "Orphan" on July 21, 2009 in the same gold top with leather leggings and black pumps. The singer's razor sharp cut screams bad girl!

Who Wore it Best?

Ashlee Simpson-Wentz attended The CW Fall Preview party in Beverly Hills, CA on September 14, 2009 wearing a black and white Nuj Novakhett minidress. The redhead starlet broke the fashion rules when she paired it with pointy white pumps. But Kim Kardashian first rocked the striped frock back in June to the Much Music Video Awards in Toronto, Canada. The reality TV star accessorized with a black leather belt, pumps, and a mini clutch.

Who Wore it Best?

"Whip It" director and star Drew Barrymore wore this lace sleeved Stella McCartney dress and Alai booties while promoting her new film in Los Angeles, CA on September 28, 2009 in Los Angeles, California. But we remember Kate Winslet rocking the LBD with a pair of Christian Louboutin peep toe heels back on June 1 to the New York premiere of "Away We Go."

Who Wore it Best?

As co-host of the 2009 ALMA Awards, Eva Longoria-Parker wowed the audience in this Gustavo Cadile gown on September 17, 2009 in Los Angeles, CA. Bones actress Emily Deschanel wore a strapless variation of the tulle dress to the Monte Carlo Television Festival in Monaco back on June 11, 2009.

Who Wore it Best?