NINA VS. BEYONCÉ
The Project Runway judge took in fashion week in her RM by Roland Mouret dress, while the singer glammed up her taupe sheath for a charity event in N.Y.C. a few weeks later.


VANESSA VS. VANESSA
Same name, same dress! The Disaster Movie actress promoted the film in her plum Black Halo dress, while the High School Musical 3: Senior Year star sizzled in her turquoise version in Madrid.


PAULA VS. JENNIFER
The American Idol judge showed off her glamorous Marchesa gown at a charity event in June, while the superstar hosted a 40th birthday bash for her husband in her feathered white gown in September.


AUDRINA VS. TORI
The reality star visited friends in L.A. in her Susana Monaco dress, while two weeks later, the actress promoted her newest book in her green floral dress.


KATHARINE VS. MICHELLE
The singer hit the Women in Hollywood event in her green Karen Zambos dress, while the actress chose the black version of the cowl-necked frock for the opening of XIV restaurant in L.A. a week later.


JOY VS. CHRISTINA
The model turned actress showed off her slim shape in her Pucci gown at the Met Costume Institute Gala, while the singer paired the shorter version with leggings for a gala in London.


KIM VS. KRISTIN
Reality star showdown! Kardashian posed for photos in her yellow Black Halo dress in Monaco over the summer, while Cavallari brightened up the Max Payne premiere in her one-shouldered dress this past week.


JESSICA VS. GWEN
Battle of the new moms! Alba went shopping with husband Cash Warren in her Juicy Couture maxidress on July 4, while Stefani headed to the beach this week in her ombré dress.


FERGIE VS. LINDSAY
The singer hit Dolce & Gabbana's show in Milan in February in her sheer-topped dress from the brand, while the actress donned her black minidress for Madonna's directorial debut in N.Y.C. last week.