Why Did Harry Styles and Taylor Swift Break Up? Harry "Said Something He Shouldn't Have"

Since none of us were there to witness the Harry Styles and Taylor Swift breakup, we can only rely on reports and what sources have to say about the split.

Buzz is that the Haylor breakup went down after Harry and Taylor got in a fight, and now Us Weekly is reporting that it was because of something Harry said.

Uh-oh.

A source tells Us Weekly, "They had a fight," adding that Harry "said something he shouldn't have...This [breakup] is definitely going to be for good."

Another insider tells the site, "They are 100 percent over," with still another source adding that Taylor can be "intense."

What do you think Harry said to lead to their split?

VOTE: DO YOU THINK HARRY AND TAYLOR DATING WAS A PUBLICITY STUNT?