Dev has live Catfish and the Bottlemen from Radio 1's Big Weekend.
Dev has live Foo Fighters from Radio 1's Big Weekend.
Dev gets reactions to his cameo appearance from the cast of Friday Download: Up All Night!
Lady Gaga, Biffy Clyro and Katy Perry - not a bad start to Headliners' Day on Radio 1!
Dev has your weekend breakfast covered.
Elizabeth Banks is Dev's special guest.
Dev sits in for Greg James with a Best Friend Test and an extended Ten-Minute Take-Over.
Dev kicks off the weekend, including a guide to Radio 1's interactive Big Weekend game.
Dev gives you another chance to win tickets to Radio 1's Big Weekend!
Dev hears from another sports star, plus a chance to win tickets to Radio 1's Big Weekend
Dev rewinds his WWE catch-up with the Bella Twins.
Dev sits in for Greg James to get you home!
Dev sits in for Greg James with a Ten-Minute Take-Over and more musical goodness.
Dev sits in for Greg James and talks wrestling with the WWE's Bella Twins!
Stars of BBC Three's Tatau join Dev. Plus Dean from Jack & Dean, pops in to talk kettles.
Dev faces a challenge from Jack & Dean and hears from another Mini Manager.
Dev sits in for Greg James to get you home.
Dev sits in for Greg James with the film news, plus a chat with Ryan Gosling from Rhianna!
Dev sits in for Huw Stephens with a new music feast.
Dev rounds off Radio 1's One Hit Wonders day.