Ellen got Adele to do some REALLY weird things at the Jamba Juice on the Warner Bros. lot.
Adele Jamba

Ellen did one of her hilarious hidden camera pranks with the help of Adele. DeGeneres prompted a fake assistant to ask that employees treat Adele normally in the prank that aired Today. Adele then behaved strangely, including cutting and eating wheatgrass in the store.