Katy Perry & Avril Lavigne: Proactiv's Newest Faces

Katy Perry keeps it cute in a Prince Peter Collection “What’s New Pussy Cat” t-shirt while visiting a medical building and hitting the gym on Wednesday (January 20).

It was announced earlier today that Katy and Avril Lavigne will be the latest celebs to lend their famous faces to Proactiv!

The singers, both 25, will have their commercial spots for the acne solution on TV this month on TV, according to WWD.

Also joining the campaign this month is The Office actress Jenna Fischer!

Past celebs who have appeared on Proactiv commercials include Mandy Moore, Jennifer Love Hewitt and most recently, Julianne Hough.