Long bob - Thandie Newton - Malin Akerman - Salma Hayek
Credit: Todd Williamson/WireImage; Lester Cohen; Florian Seefried/Getty

The long bob—or in beauty editor speak, the "lob"—is making a comeback as this season's sexiest haircut! Malin Akerman, Salma Hayek and Thandie Newton have all sported shoulder-grazing strands with sultry side-parts. Thinking of a testing out a similar crop? Try on our favorites in the Hollywood Makeover now.

—Kimberley McLeod