We can't all be Super Virgin (2012)rich and famous, but nudity is free!

So Chrissy Teigen kindly reminded us that you don't have to spend money to wish your pals a happy birthday with an Instagram for her friend, Marisa Martins. They're called birthday suits for a reason! (Okay, so for a different reason, but whatever.)

View this post on Instagram

John Legend rudely remained fully clothed.

Calvin Harris previously stripped down to remind everyone that the greatest gift you can give someone for their birthday is yourself.