Showing off his chiseled physique, Kellan Lutz vacationed on a yacht in St. Tropez on Saturday (July 28).

The "Twilight" star joined friends and girlfriend Sharni Vinson, of "Step Up" fame, wearing a white tank top, white shorts, and shades.

Soon you can see the 27-year-old hunk in the indie drama "Love Is All You Need?" in which he plays an aspiring journalist opposite Camilla Belle's character, a star quarterback.

Based on the award winning short film, the movie takes place in a world where homosexuality is the norm and the two try to keep their taboo relationship a secret.

Enjoy the pictures of Kellen Lut z showing off his chiseled physique on a yacht in St. Tropez on Saturday (July 28).