Sandy and Danny are ready to take the stage for “Grease Live!”

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KANSAS CITY, Mo. -- On Sunday, Jan. 31 families all over will be gathered around their televisions and tablets to watch the premiere of "Grease Live!" But before they hit the stage to recreate one the most famous musicals of all-time, actress Julianne Hough and and actor Arron Tveit chatted with FOX 4's Kim Byrnes. The two, who play Sandy and Danny, wouldn't say if Olivia Newton John or John Travolta will make an appearance.