Rumors are heating up again that the singers are a couple after Harry and Taylor were spotted together at The X Factor rehearsals.
A source tells E! Online that Harry was hanging out with Taylor before she was set to perform on the live show.
According to E! News, the source squealed, "Harry is there with her now. She is doing rehearsals this afternoon. And he is in her group. He watched her onstage going through her performance. He was sitting with her mom and the rest of her entourage."
The source added, "After she finished, he went up to the stage. They were joking and laughing. He picked her up and threw her over his shoulder and carried her off."
The X Factor's Twitter account even gave a Harry and Taylor date update--the two grabbed lunch together, as the tweet indicated: "Together in the lunch line (Cheeseburgers) laughing & smiling was @Harry_Styles & @taylorswift13! :) #internationalpoproyalty."
Meanwhile, One Direction fans are pretty sure Harry went back to England with the 1D guys to rehearse for the Children in Need concert.
The official One Direction Twitter account mentioned the Children in Need concert today, with the tweet: "Don't forget! Tune into BBC's Children In Need tonight to see the boys perform Little Things and Live While We're Young live! @BBCCiN 1DHQ x"
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We've got our eye on the possible Taylor and Harry hookup...
Watch Taylor sing "State of Grace" on The X Factor in the clip below.