Buff billionaire! Jeff Bezos, 57, shows off his VERY muscular physique in pink Hawaiian shorts as he packs on the PDA with Lauren Sanchez on a yacht in St. Barts

Jeff Bezos showed off his ripped torso during a yachting break in St Barts where he was spotted smooching his girlfriend Lauren Sanchez. The Amazon founder, 57, proved he’s been putting in time in the gym as he relaxed in the hot sun on the boat with friends to celebrate the holiday season during their Caribbean …