VIDEO: Watch Robin Williams & Ben Stiller Help 'MUSEUM' Co-Star with Prom Proposal

NIGHT AT THE MUSEUM: SECRET OF THE TOMB actor Skyler Gisondo, who plays Ben Stiller's son in the comedy, received a little help last May in asking a young lady to be his prom date.

Gisondo's co-stars Stiller and Robin Williams agreed to pitch in and star in a three-minute video in which the teen offers an invitation to the annual high school gala.

Explained Gisondo in an interview with The Hollywood Reporter, "All morning, Robin was pitching more ideas. He was saying 'Can I say this? Would it be appropriate to say this?'" The young actor responded, "You're Robin Williams. You can say whatever you want!" Check out the final product below!

Director Shawn Levy's NIGHT AT THE MUSEUM: SECRET OF THE TOMB, hit theaters on December 19th, 2014. The comedy stars Ben Stiller, Robin Williams, Owen Wilson, Steve Coogan, Ricky Gervais, Dan Stevens, Rebel Wilson, Ben Kingsley

Get ready for the wildest and most adventure-filled Night at the Museum ever as Larry (Ben Stiller) spans the globe, uniting favorite and new characters while embarking on an epic quest to save the magic before it is GONE forever.

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