I think Avril Lavigne's forgotten how old she is because the 26-year-old divorced musician showed up to her new album 'Goodbye Lullaby' release party in a get-up meant to be worn by a middle schooler.
It looks like she's trying too hard, it's ridiculous!
Avril is currently dating Brody Jenner, Kim Kardashian's stepbrother. She was previously married to Sum 41 singer Deryck Whibley but the two divorced in 2010. This is Avril's latest album to be released in the last 4 years.
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