Avril Lavigne: 'Abbey Dawn' Fashion Show!

Avril Lavigne attends the Abbey Dawn By Avril Lavigne Spring 2013 fashion show during New York Fashion Week at the Metropolitan Pavilion on Monday (September 10) in New York City.

The 27-year-old signer and fashion designer was joined by her ex-boyfriend Brody Jenner‘s younger sister Kylie at the STYLE360-presented show.

PHOTOS: Check out the latest pics of Avril Lavigne

“Thank u to @KylieJenner and all the beautiful models who rocked the @AbbeyDawn runway tonight!! Kick ass!” Avril tweeted after the show.

15+ pictures inside of Avril Lavigne at the Abbey Dawn show…