Is it too late for Linda Perry to say she's sorry?!
Warren then defended the Poker Face singer, saying The Hunting Ground tune was a "special collaboration" between the two of them.
Fast forward to now, Perry is eating her words.
Tags: american horror story, collaboration, diane warren, film, lady gaga, linda perry, mistake, oscar, oscars, red carpet, singer, song, songwriter, the hunting ground, til it happens to you, twitter