Kourtney Kardashian Bares Her Body in Sexy One Piece Swimsuit

Kourtney Kardashian is showing off her unbelievable beach body in a sexy one-piece!

The 39-year-old reality star wore a black bathing suit that showed off her side boob while hanging on a yacht on Tuesday (July 3) in Portofino, Italy.

Kourtney was joined on the yacht by boyfriend Younes Bendjima and her kids.

The evening before, Kourtney and Younes went on a dinner date, and you can see those pics in the gallery below.

Check out all the new photos from Kourtney Kardashian’s vacation in Italy…