I'm looking for the name and artist of a song with a black and white cartoon!

i was watching MTV the other day and the music video was one guy playing a piano and the other guy going to a movie with his girlfriend!.!.!.!.i know the song said something about "she thinks i look like her dad but i know she likes it" not those exact words but that's the essence of it!. thanks!.Www@Enter-QA@Com

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