20 Jul The pair could be seen loved up on a raft as they cooled off in the water
Cool cowboy: The Blue Origin space founder donned a stetson to address the press following a post launch briefing in July
With success came an exuberant wardrobe; Bezos was well-known for wearing an outlandish dinner jacket at gala dinners and red carpet events.
However, there's been a sea change in recent years, with his wardrobe apparently becoming cooler, with fashionable Hawaiian-inspired swim shorts, flip flops and slimming black t-shirts his go-to attire in the Caribbean.
The couple, who went public with their relationship in after Bezos split with wife MacKenzie, were quite handsy while communing with nature
His space suit hasn't harmed his image either; the Blue Origin founder regularly wears his space outfit with a stetson or a baseball cap.
EXCLUSIVE: 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 trip on Friday.
It seems Bezos, 57, who purchased a $78million estate in 
Hawaii in November, has settled into his new aloha lifestyle, as he boarded the boat in a pink and red bathing suit covered in Hawaiian flowers.