John Travolta Turns Down GLEE Cameo Offer

John Travolta has reportedly turned down an offer for a cameo appearance on Glee.  Travolta tells Entertainment Tonight that he will not appear on the show because producers wouldn't give him enough time to rehearse for a "knock 'em dead" song-and-dance number.

Travolta will not be following the lead of his Grease co-star Olivia Newton-John, who has appeared on the show.

He says, "They've asked but when I do musicals I train for six to nine months... and a show like that is an on-demand thing. I really have a criteria or a pride that I would wanna knock 'em dead, and I don't think I'd knock 'em dead in a week."

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