WATCH: Britney Spears and Ellen DeGeneres Cause Havoc in Shopping Centre

Imagine bumping into Britney Spears and Ellen DeGeneres while you were out shopping!

The mischievous duo joined forces to cause mayhem in a US shopping mall.

Ellen says she called up her friend Britney to ask her to go shopping with her and enticed her to come along by telling her they could do anything "because they were famous". The clip shows Spears and DeGeneres acting like entitled celebrities as they make their way around the Westfield Fashion Square Mall in Sherman Oaks, California. They take advantage at a furniture shop by taking a nap in one of their beds and Ellen shows off her sales skills.

The video was recorded as part of Ellen's entertainment show which recently returned to TV screens in the States.

More from Entertainment