Stamford Bridge club team up with pop and basketball stars for a new advert.
Chelsea and Katy Perry have teamed up to create Adidas’ new ‘All In’ advertising campaign.
The 30-second clip is a montage of Chelsea players and other stars from the world of sport and music on the Adidas books.
There are cameos from American Footballers, Basketball players and future Olympic stars from athletics and boxing.
See if you can name them all.