New Year, New You in 2015

Check Me Out: Stars' Workout Shots

If you don't get fitspiration from these photos of Khloé, The Rock and Karlie Kloss, we'll run a lap

DANNY WOOD, DONNIE WAHLBERG & JOE MCINTRYE

The New Kids on the Block proved they still have the "right stuff" to compete with today's boy bands with this shot of their ripped abs – which Wahlberg described as Not bad for a few old men! Not bad at all.