He dressed up as a guard to put Ellens audience through their paces. Check it out!\rbr\rbrdegeneres,ellen,pompeo,meredith,grey,daughters,12115,Ellen Pompeo (TV Actor),Ellen DeGeneres (Celebrity),Talk Show (TV Genre),show,daytime,comedy .\rbr\rbrThis fan got the phone call of her dreams: a chat with Justin Bieber! But it wasnt the kind she might have expected.