12:49 pm, January 25th, 2013
VIDEOIt’s Ellen DeGeneres’ birthday week, and as part of the celebration, Katy Perry came on Friday’s show dressed as a (male) game show host.
The costumed singer invited two extremely excited audience members on stage to play “Grab Ellen’s Bust,” a trivia game about DeGeneres.
As is customary on “Ellen,” there was also a surprise.
Check out the video below!
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