Taylor Swift, Taylor Lautner Taylor Swift, Taylor Lautner

Will she write a song about this breakup?

Taylor Swift and Taylor Lautner have split after three months of dating, TVGuide.com has confirmed.

"It wasn't really developing into anything, and wasn't going to, so they decided they were better as friends," a source close to Swift told Us Weekly. "There was no chemistry."

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The same-named duo split after the New Moon star flew to Nashville to celebrate Swift's 20th birthday on Dec. 13. "He went everywhere he could to see her, but she didn't travel much to see him. ... They plan to stay friends," the source said.Swift, who infamously wrote a bitter tune about her split from Joe Jonas last year, and Lautner, 17, met in the fall on the set of the upcoming film Valentine's Day and had been photographed out and about — getting frozen yogurt, at a hockey game and at her concerts — since October.

Lautner, Swift remain coy about relationship

The pair never spoke publicly about the relationship, but jokingly acknowledged it during their respective hosting stints on Saturday Night Live.Swift's rep had no comment; Lautner's rep could not immediately be reached.