Jeff Bezos and girlfriend Lauren Sanchez can't keep their hands off each other as they vacation in St. Barts

Jeff Bezos and his girlfriend Lauren Sanchez have been packing on the PDA during their Christmas vacation.

The couple couldn't keep their hands and lips off each other while hiking in St. Barts.

The second richest man in the world and his partner didn't care that there were plenty other hikers with them as they kissed and hugged on the trail.

See more photos below.