Kourtney Kardashian Goes Swimming Off a Yacht in Italy

Kourtney Kardashian shows off her killer body in a swimsuit while hanging out on a boat on Monday (September 5) in Portofino, Italy.

The 37-year-old reality star was joined by her kids (not pictured) and her mom Kris Jenner, who brought along boyfriend Corey Gamble.

PHOTOS: Check out the latest pics of Kourtney Kardashian

That same day, Kourtney, Kris, and Corey were spotted doing some shopping around town together.

“Mamma,” Kourt captioned a scenic Instagram photo with Kris, which you can see below.

10+ pictures inside of Kourtney Kardashian vacationing with her mom…