Date of birth: December 19, 1980
Even when Jake was talking to a giant purple bunny as the lead in Donnie Darko, we thought he was mysteriously sexy. When 2005's Brokeback Mountain hit, hottie costar Heath Ledger took a backseat to Jake's good looks and undeniable charm.

For more celebrity photos, visit the Star Snapshots gallery. Plus: Check out more sexy stars in our Hollywood's Sexiest 40-Somethings slide show.