Avril Lavigne backs ex-husband's band Nickelback, calls Zuckerberg

Zuckerberg had joked earlier that the rock band did not have good songs

Nickelback fans are now getting catfished

Avril Lavigne's Most Rebellious Music Moments

Avril Lavigne defends ex after Mark Zuckerberg disses Nickelback

The joke is old: Avril Lavigne slams Mark Zuckerberg for bullying

Avril Lavigne and Tyga 'SPLIT': Rocker and rapper 'call it quits

Avril Lavigne goes low-key with estranged husband Chad Kroeger

Avril Lavigne Asks for Prayers, Dealing With Health Issues

Newly Engaged Avril Lavigne and Chad Kroeger Show Off 14-Carat

Avril Lavigne and Tyga 'SPLIT': Rocker and rapper 'call it quits

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