11:03 am, February 21st, 2012VIDEO
“We are not a couple,” Swift stressed, despite DeGeneres’ playful, repeated suggestions about the pair dating.
The singer joked that while you hear about co-stars falling in love all the time, it’s more difficult when it’s an animated movie.
Swift also mentioned that she’d given Efron a guitar lesson, and the two sang a charming duet.
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