Lady Gaga's new Mayhem merch is ripping off a logo that Lost International has had trademarked since 2015, a new lawsuit claims.

Lady Gaga was hit with a $100 million lawsuit by a California surf company over claims the pop star stole their logo for her new merchandise, according to documents obtained by FOX Business.

Lady Gaga has been hit with a trademark infringement lawsuit from a California surf company who claims she ripped them off with the Mayhem logos featured on her new merch. Lost International ...