! It's about to be Night on the ABC show, and the contestants are hard at work on their routines in honor of the iconic musical.
Only ET's Lauren Zima was invited to the camera blocking for Night, and was able to surprise the contestants and their pro partners with a special message from Sandy herself, Olivia Newton-John, who will be making an appearance on Monday night's in addition to her co-stars, Frankie Avalon and Didi Conn!«I'm very excited to be able to see what they do, I'm sure all of us who are in the movie can't wait to see it,» Newton-John told ET. «Oh, now the pressure is on!» JoJo Siwa exclaimed after seeing the leading lady's message.
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