Molly Sims, left, Michelle Monaghan, Camilla Belle, Emma Roberts and Mandy Moore. (Henry S. Dziekan III / Getty Images)
Oh Land, left, and Gerald Butler. (Charles Sykes / Associated Press)
Designer Vera Wang and tennis player Serena Williams. (Craig Barritt / Getty Images)
Olivia Palmero, left, Sophia Bush and Emma Roberts. (Jason Kempin / Getty Images)
Ashlee Simpson. (Larry Busacca / Getty Images)
Stylist Rachel Zoe. (Katy Winn / Getty Images)
Actor Michael Douglas, left, model Rosie Huntington-Whiteley and actress Zoe Saldana. (Donald Traill / Associated Press)
TV personality Nina Garcia. (Katy Winn / Getty Images)
Mary-Kate Olsen, left, and Ashley Olsen. (Amy Sussman / Getty Images)
Kelly Rutherford of “Gossip Girl.” (Jason Kempin / Getty Images)
Arianna Huffington. (Jason Kempin / Getty Images)
Actresses Rachel Griffiths, left, and Patricia Clarkson. (Cindy Ord / Getty Images)
Whoopi Goldberg. (Joe Corrigan / Getty Images)
Melissa George, left, Selma Blair, Lauren Santo Domingo and Angela Lindvall. (Amy Sussman / Getty Images)