US tennis ace Serena Williams has teamed up with Beats by Dr Dre to star in the brand's new campaign video, Be Heard.
Cesc Fabregas, Eden Hazard, Conor McGregor, LeBron James, Anthony Joshua, Simone Biles, Michael Phelps and Owen Farrell are also among the 23 athletes to feature in the campaign, in which they're seen 'chanting' along to The White Stripes hit Seven Nation Army.