Are Taylor Swift and Harry Styles the new Selena Gomez and Justin Bieber?

The American pop star and British One Direction singer have been linked after "X Factor" host Mario Lopez spotted them getting cozy backstage during the reality show.

Swift, who recently ended her relationship with Conor Kennedy, and Styles dated briefly in April. In early November rumors circulated that they had reconciled after they were spotting hanging out in Los Angeles. Lopez is certain they are back together.

The "X Factor" host told 104.3 MY FM he witnessed Taylor and Harry walking "hand-in-hand" before she took the stage for the Thursday night live performance. Lopez asked Harry what he was doing in Los Angeles, and the One Direction stary said he was there for Swift.  Awwwww!

Lopez revealed "So, Taylor Swift and Harry from One Direction - you heard it here first. (They're) officially hanging out, I can say that much."

Both Taylor, 22, and Harry, 18, have dated a lot of people. Styles has a repuatation for being a ladies man and has a penchant for older women. He recently admitted he'd date someone up to age 43 (his mother's age). Swift has dated John Mayer, Joe Jonas, Jake Gyllenhaal and Taylor Lautner.  And she writes songs about her relationships.