Add Yahoo as a preferred source to see more of our stories on Google. Mother Monster is currently taking the U.S. by storm with her Mayhem Ball tour, selling out arenas from New York to Los Angeles.

Lady Gaga’s newest album may tout her as the “Perfect Celebrity,” but the associated merchandise has stirred up legal “Mayhem” with California-based surf brand Lost International. The ...

Some tie-in merchandise for Seth Rogen's upcoming Teenage Mutant Ninja Turtles: Mutant Mayhem animated movie has been shared online, giving us another look at the character designs for the titular ...

Some more official merchandise for the upcoming Teenage Mutant Ninja Turtles: Mutant Mayhem animated movie has been shared online, and these new action figure sets give us a first look at the "Turtle ...

Lady Gaga will be allowed to keep selling merchandise tied to her Mayhem era after a federal judge rejected an attempt to halt sales amid an ongoing $100 million trademark lawsuit. A Los Angeles judge ...

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, a surf ...

Add Yahoo as a preferred source to see more of our stories on Google. Lady Gaga at a Spotify event for 'Mayhem' in New York City. - Credit: Arturo Holmes/Getty Images Lost International, a prominent ...

Lady Gaga's latest album, Mayhem, has sparked a major legal battle as surf and lifestyle brand Lost International has filed a $100 million trademark infringement lawsuit against the singer. The ...

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Lost International, a prominent surf and lifestyle brand, has filed a $100 million trademark infringement suit against Lady Gaga, alleging some of her Mayhem designs and merchandise rip off one of its ...