While most of us were guzzling champagne and munching on holiday treats, these celebrities were flaunting their fit figures on the beach this week.
We're counting down the Eight Enviable Hard Bodies, below. Hopefully these sexy shots will get you to stick to your resolutions!
1. Alexander Ludwig
We're paying tribute to the "Hunger Games" hunk's six-pack.
2. Julianne Hough
Dancing definitely does the body good, as Julianne proves.
3. Channing Tatum
Looks like the "Magic Mike" stud still has those magic muscles.
4. Camille Grammer
This former "Real Housewives" star is real fit!
5. Jeremy Jackson
Wow, little Hobie Buchanan from "Baywatch" is all grown up ... and huge!
6. Stephanie Seymour
The 44-year-old supermodel still has an amazing bikini bod!
7. Sean Penn
Like Stephanie, 52-year-old Sean proves age ain't nothing but a number. Check out the "Gangster Squad" star's guns!
8. Alexander Meier
Yeah, we didn't know anything about this German footballer either, but we're sure you'll Google the heck out of him after seeing this shot.
To see even more celebrity beach bods, click on "Launch Gallery" above.