Harry Styles isn't one to kiss and tell — but does he snog and sing??
But if anyone could get him to spill the beans, it's pal and Late, Late Show host James Corden!
At Saturday's Apple Music event The London Session, funny man delivered the most perfect-ly worded question to Harry, not-so-subtly hinting that the song's line "if you're looking for someone to write your breakup songs about" is about Tay-Tay.
Watch as Harry fails to hide his reaction (below)!