The world's biggest stars doing stupid games, pranks, and wind-ups with Radio 1.
Can Michael B. Jordan & Tessa Thompson guess what people say about fellow famous faces?
Charli XCX thinks she's playing Superstar vs Superfan, but how does 'Steve' know so much?
Matt Edmondson challenges stars of the Beauty and the Beast to some prank calls.
Can Daniel Kaluuya guess what people on the street said about celebs like Gemma Collins?
The star of Guardians of the Galaxy pranks a pet shop, for Matt Edmondson's AlphabetiCall
Kids put Kit Harington to the test as he reveals the Game of Thrones ending no one wants.
Niall Horan tries to remember his own words in Radio 1's Lyrics Game with Nick Grimshaw.
John C. Reilly & Sarah Silverman answer 'difficult' questions from small children.
Aquaman himself Jason Momoa takes on the most challenging prank of all – Alphabeticall
Mumford & Sons set Radio 1 Breakfast listeners' bleak morning texts to sweet sweet music.
Taron calls the Robin Hood Inn, starting each line with the next letter of the alphabet.
Tom Hardy is put to the test as a bunch of kids ask him difficult questions.
Anne-Marie thinks she's playing Superstar vs Superfan but how does Steve know so much?