John Travolta Surprises Hollywood Bowl Crowd At 'Grease' Sing-A-Long!!

 

What a treat for the crowd!!!

John Travolta made a surprise appearance at Friday nights 'Grease' sing-a-long at the Hollywood Bowl, appearing in character as Danny Zuko! 

Travolta joined former cast members of the 1978 classic Didi Conn (Frenchie), Barry Pearl (Doody), Kelly Ward (Putzie), Michael Tucci (Sonny) and director Randal Kleiser. 

Check out the moment below: 

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