There's a rumor that Avril Lavigne is dating reality TV hunk Brody Jenner.

Apparently, Avril has been enjoying a "low-key romance" with 26-year-old Brody for the last few weeks!

A source told E! News: "They're hooking up but they're keeping it low-key. You can tell they're into each other and both like to have a good time. They're cute together."