The title sequence, designed by Lee Jacobs, sees Carr mischievously setting off a giant rocket in the basement of Channel 4.

Carr was joined by guests David Walliams, Justin Bieber, The Saturdays, the cast of Made in Chelsea, Amy Macdonald, Carol Vorderman, Paddy McGuinness, Christian Jessen and Rizzle Kicks.

Guests included Jonathan Ross, Tulisa, Keith Lemon, Melanie Sykes, Paloma Faith, Labrinth and Fatima Whitbread.

Team GB Olympic medallists Mo Farah, Nicola Adams, Greg Rutherford, Louis Smith, Heather Stanning and Helen Glover also appeared.

Guests included Channing Tatum, Emilia Fox, Danny Dyer, Lily Allen, Sharon Horgan, Olly Murs, Russell Howard, Alesha Dixon, Freddie Fox, Dani Dyer, Vicky McClure, Martin Compston, and Chris Kamara, plus surprise sketches and merry musical performances.