Avril Lavigne & Brody Jenner Leave LAX

Avril Brody and boyfriend Brody Jenner make their way through LAX to catch a departing flight on Monday (December 27) in Los Angeles.

The couple celebrated the holidays with Brody‘s step-sister Kim Kardashian and her family at their holiday bash on Christmas Eve.

The same day, Kim enjoyed a girls’ day out with Pussycat Dolls founder Robin Antin. The two stopped by a nail salon and shopped at Hermes and Chanel in Beverly Hills.

FYI: Avril will be debuting her new single, “What the Hell,” off her upcoming album Goodbye, Lullaby, on Dick Clark’s Rockin’ New Year’s Eve this Friday.

“Like” Avril on Facebook and download the song for free on New Year’s Day!

10+ pictures inside of Avril Lavigne, Brody Jenner, and Kim Kardashian out and about…