By Debbie Emery - Breaking Celebrity News Reporter

Comedian Jimmy Fallon never misses out on an opportunity to crack a good joke, especially when it means he can dress up in a ridiculous costume, and Breaking Celebrity News has a sneak peek at his latest hilarious get-up.

The Late Night With Jimmy Fallon host looked decidedly dapper when he donned a stiff-collared white shirt and gray hair to mock Downton Abbey in a spoof of the Masterpiece Theater series that he dubbed Downton Sixbey.

Former SNL funny man Fallon is joined by an equally elegant Brooke Shields, who poses demurely by his side as the beautiful Lady Nora.

In the clip, the Earl of Downton Sixbey, played by Fallon, is hosting a talk show and steps backstage into the grandeur of the period drama, adopting a prim English accent while complaining about the lack of good Kardashian jokes to his butler.

Trauma hits the candle-lit writers’ room as the workers, dressed in tuxedos, struggle to come up with sketches about Kim and her family, as outside disillusioned staff huddle in corridors complaining about their treatment from the aristocracy while smoking cigarettes.

Back upstairs, the Earl