Avril Lavigne flaunts her tiny waist and taut abs in a cut-out white crop top

Avril Lavigne & Boyfriend Mod Sun Head Out on Date Night Hours After She Dropped New Song 'Bite Me'

Emily Ratajkowski proudly puts ripped abs on display in tiny crop top sweater at CFDA Fashion Awards

Avril Lavigne Explained Why She Gave "Breakaway" To Kelly Clarkson Instead Of Saving It For Herself