Thanks to John Mayer! His new single 'Paperdoll' is put to a lyric video w/ the help of the 'Prancercise Lady' Joanna Rohrback. Joanna says her understanding is that Mayer saw her original Prancercise video with the volume down while he was working on his song. “He saw that my movement synchronized with the song very well,” said Joanna.Next thing you know, Mayer's crew was shooting her Prancercising to "Paper Doll." Here it is... More 411 about the hook up here!