Sit Down, Stand Up - Bob Mortimer

Joe Keery & Gaten Matarazzo go through their contacts to play a game of Sit Down Stand Up

Jeremy Allen White & Stephen Graham join Greg to play Sit Down, Stand up.

Dwayne Johnson joins Greg and play Sit Down, Stand Up.

Tommy Fury and Greg James call Iain Stirling, Molly Mae & John Fury for Sit Down Stand Up

Joseph Quinn & Ebon Moss-Bachrach play Sit Down, Stand Up with Greg James.

Jameela Jamil & Greg James go through their contacts to play a game of Sit Down Stand Up.

Lorde cold calls Chappell Roan, Gracie Abrams and a very hungover Charli XCX on Radio 1.

Jordan Stephens plays Sit Down, Stand Up on the Radio 1 Breakfast Show with Greg James.

James Corden & Ruth Jones play Sit Down, Stand Up on the Radio 1 Breakfast show.

Who will answer to JADE and Greg James? When they ask: are you sitting or standing?

Daisy Edgar Jones plays Sit Down Stand Up and calls her movie star best friend.

Perrie Edwards plays Sit Down, Stand Up on the Radio 1 Breakfast Show with Greg James.

Paul Mescal plays Sit Down, Stand Up with Greg James on the Radio 1 Breakfast show.

Millie Bobby Brown plays Sit Down Stand Up and calls her fiancée & a TOWIE legend.

Leigh-Anne Pinnock plays Sit Down, Stand Up on the Radio 1 Breakfast show.

Will Poulter plays Sit Down, Stand Up on the Radio 1 Breakfast show.

Nicholas Hoult plays Sit Down, Stand Up on the Radio 1 Breakfast show.

Calvin Harris plays Sit Down, Stand Up on the Radio 1 Breakfast show with Greg James.

Idris plays Sit Down Stand Up with Greg and calls a fashion icon and a Luther co-star.

KSI plays Sit Down, Stand Up on Radio 1 Breakfast with Greg James.

Ant & Dec play Sit Down Stand Up with Greg James.

John Boyega and Greg James play Sit Down, Stand Up on Radio 1.