Alicia Keys vs. Gwyneth Paltrow both in Michael Kors 

Emma Stone vs. Freida Pinto both in Burberry bustier top

Jessica Biel vs. Elizabeth Moss both in Dolce & Gabbana

Emily Blunt vs. Katy Perry both in Alexander McQueen

Rihanna vs. Nicole Richie both in Tom Ford 

Sophia Bush vs. Kylie Jenner both in Alice+Olivia leather skirt 

Kourtney Kardashian vs. Jennifer Hudson both in Monika Chiang leather bodysuit