Jenna Dewan: Pi Beta Phi

She's best known for playing Nora Clark in dance movie 'Step Up', on which she met her now ex-husband Channing Tatum.

Whilst attending the University of Southern California, where she pledges Pi Beta Phi, Jenna worked as a back-up dancer and quickly began to run in celebrity circles after starring in Janet Jackson's music video 'Doesn't Really Matter'.