Avril Lavigne fantastics "Purple Bikini" Butt & Ass in St.Tropez

Is Avril Lavigne about to sail into familiar territory?

It certainly looked that way today as the 26-year-old singer affectionately embraced ex-husband Deryck Whibley on a yacht in St Tropez.

Wearing a purple and black bikini, the toned singercouldn’t stop smiling as she exchanged glances and chatted with the Sum 41 rocker.

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Happy! Avril couldn’t stop smiling as she exchanged glances with Deryck (Read more and See more Pictures)