"Nothing to Worry About" is the first single by Peter Bjorn and John from the album Living Thing. The music video premiered in 2009. The song was featured in a season five episode of the MTV series The Hills entitled "Crazy In Love". The song was featured in commercials for the fifth season of It's Always Sunny in Philadelphia, Cinemax HD in its spring 2009 ad campaign, and EA Sports game, FIFA 10. A remix of the song was also used in the promo for season five of the TV series Bones.