Beyonce Vs. Runway Model
Who rocked this emerald green Zac Posen Gown? Beyonce seen here working the red carpet @ this years Movies Rock.


KEIRA VS. LILY
The Duchess was regal in her Erdem frock at a London screening, while the budding actress (and daughter of musician Phil Collins) hit a Teen Vogue party in L.A. in her pleated purple dress.


JENNY VS. JANE
The autism activist was sharp in her Roland Mouret dress at an L.A. film premiere, while the 30 Rock actress kept it simple in her fitted black frock at a pre-Emmy party.


AUDRINA VS. CHERYL
The reality star hit a Nylon party in her Ina Soltani dress back in June, while the Dancing with the Stars pro showed her fit figure in the leather-topped dress at a Hollywood party this week.


BECKI VS. RIHANNA
The Ugly Betty actress attended a Piaget event in her Gucci mini in August, while the singer lit up the line's Milan show in her leather halter dress this week.


AMY VS. LAUREN
The troubled singer performed at the Brit Awards in London in her D&G dress, while the reality star hit an N.Y.C. party in her bustier dress several months later.