by Breaking Celebrity News Staff

A skimpy bikini wasn't the only thing heating-up Avril Lavigne's French vacation as Breaking Celebrity News can reveal the man on the receiving end of her affections was none other than her ex-husband, Deryck Whibley.

The singer has been dating Brody Jenner for over a year, but he was nowhere to be seen as she cozied up to her former flame during a boat trip on the French Riviera.

Sporting a tiny black and purple bikini Lavigne and Whibley could hardly keep the smiles off their faces as they hugged and flirted on board.

Avril Gets Cozy With Deryck On French Riviera

At one point the pop punk princess leaned in and affectionately placed her hand