On Monday's Keeping Up With the Kardashians, Kim Kardashian is desperate for a dinner companion, so she asks her bodyguard.

When she shows up at his place to extend an invite, he answers the door -- wearing nothing but a towel!

While he gets dressed, she immediately phones sister Kourtney. "Oh my God," she gushes, "he's hot!"

Watch the full episode of Keeping Up With the Kardashians Monday, Sept. 6 at 10 p.m. (EST) on E!