The 15-time Grammy winner introduced To Be Loved off her new album, 30, with a seemingly impromptu living room session.
He accused the singer of exposing her son Angelo's "innermost feelings to public scrutiny".
It's finally here... but what are the critics saying about the British star's comeback?
Can't stop listening to Taylor Swift right now? (Same.) Here's what's happening when you press play.
But Oprah had a spot of trouble remembering the lyrics at the exclusive gig in LA.