They say you should never date your mate's ex, but try telling Ed Sheeran that.
According to reports the pair spent most of the evening before the Brits together in a hotel room.
While we reckon the pair were probably just chatting about music, a source told The Sun they've been up to more than that.
"Yes, Harry had that irresistible bad boy thing, but Taylor's realised she'd rather give it a go with a guy who makes her laugh."
They added: "She made it very clear that when they go off on their tour she wants him to be her boyfriend. He's thrilled because he's always thought she's amazing."
Taylor and Ed were first romantically linked back in October last year, a month before she began dating Harry, but Ed denied the relationship at the time saying he 'wasn't her type'.
However, the pair have been firm friends for a while now, with Taylor even tweeting on Ed's birthday in February: "So. One of my favorite human beings on the planet turns 22 today. I hope @edsheeran has the most perfect show in LA tonight! HAPPY BDAYYYY."
Following her split from Harry, Taylor was most recently linked to Brit Award winner Tom Odell.