Marc Jacobs: Shirtless in St. Barts on New Year's Day!

Marc Jacobs goes shirtless as he hits the beach on New Year’s Day (January 1) in St. Barts.

The 48-year-old fashion designer was joined by his ex, Lorenzo Martone, designer Rachel Zoe, and co-founder of Jimmy Choo, Tamara Mellon.

PHOTOS: Check out the latest pics of Marc Jacobs

Marc and Lorenzo have been soaking up the sun all week together. Earlier in the week they were joined by Rachel‘s hubby Rodger Berman, and their adorable son Skyler!

15+ pictures inside of Marc Jacobs hanging out shirtless on the beach…