• MARK WAHLBERG photo | Mark Wahlberg

Credit: Barry King/FilmMagic

Published: Thursday March 12, 2015 14:05 PM EDT

2015

MARK WAHLBERG

If his mantra is "no pain, no gain," it's working. Ever since he bared his unforgettable six-pack for Calvin Klein back in the '90s, we've never stopped swooning over Marky Mark's perfectly sculpted bod.