Celebrity endorsements have always been a popular way for companies to sell their wares.
And we have to say, Proactiv is doing a bang-up job landing celebrity faces to endorse their skin-care products.
Take a look at their latest ad featuring Katy Perry. In the spot, the star trades her crazy blue locks and tendency to cake on makeup for a fresh-faced girl-next door look. Sure, it's likely airbrushed, but it's hard to argue her skin looks incredible.
What do you think? And if a celeb appears in a spot representing a product, will you be more inclined to buy something from the line?
Take a look at some of the most memorable beauty and fashion ads ever, and let us know what you think below or on Twitter @HuffPostCaStyle.