Last night in Hollywood, a long list of famous faces lined the red carpet to promote the new romantic comedy Valentine's Day. The men looked dapper as ever in suits and bright smiles, whilst the ladies were decked out in gowns, cocktail dresses and dazzling hair and makeup. Two popular hairstyles of the evening were updos (check out Emma Roberts, Anne Hathaway and Jessica Biel), and long, loose waves like we see below on Julia, Demi, Jessica, Jen, Garcelle and Rebecca. Out of these six sexy ladies, whose hair do you think looked the best?

Source: WireImage