The singer teamed up with the customizable online brand for a limited edition skull-print pair that will go on sale November 1 and be available for only four weeks.

Get push notifications with news, features and more.

Being a seasoned designer (she launched her own clothing line, Abbey Dawn, in 2008) she was excited to collaborate with another brand. “I love the Pins to Kill line and their enthusiasm for my vision,” Lavigne said in a press release. “I am excited to partner with P2K and can’t wait to see what the future holds.”

RELATED PHOTOS: Star Designers You Must Know

After her skater boi phase of baggy pants and ties worn with tight T-shirts in the early aughts, she almost exclusively sported leggings. And she has such a well-thought out legging-ensemble formula, they can serve as plenty of outfit inspo for your skull-printed pair.

1. The first style tip: wear leggings with your comfiest hooded sweatshirts and your highest heels.

Image zoom Noel Vasquez/Getty

Image zoom Startraks

Image zoom Neil P. Mockford/FilmMagic

2. When you’re sick of squeezing into your black skinny jeans, that’s where a black pair of leggings with a long blazer comes in handy for a chic (and comfy) outfit.

Image zoom Kevin Mazur/WireImage

3. And finally, you can recreate one of her performance outfits by wearing them with a cupcake-printed tutu to really balance out the good-girl-meets-tough-girl vibe.