David Tennant, Catherine Tate, Josh Groban and Jon RichardsonDavid Tennant, Catherine Tate, Josh Groban and Jon Richardson

Host Graham Norton and guests, David Tennant, Catherine Tate, Josh Groban and Jon Richardson, during filming of the Graham Norton Show at the London Studios in south London, to be screened on Friday April 15 on BBC One.

Hugh Laurie performs with his band during episode 2.Hugh Laurie performs with his band during episode 2.
Jennifer Hudson and kd lang share a laugh during episode 3.Jennifer Hudson and kd lang share a laugh during episode 3.
The Saturdays perform during episode 7.The Saturdays perform during episode 7.
Graham Norton, Kim Cattrall, Jessie Wallace, Lee Mack and The Saturdays during episode 7.Graham Norton, Kim Cattrall, Jessie Wallace, Lee Mack and The Saturdays during episode 7.
Guest Nicole Scherzinger performs during episode 9.Guest Nicole Scherzinger performs during episode 9.
Grammy-winning songstress takes to The Graham Norton Show stage during episode 10.Grammy-winning songstress takes to The Graham Norton Show stage during episode 10.
Adele, Jack Whitehall and Miranda Hart share a giggle during episode 10.Adele, Jack Whitehall and Miranda Hart share a giggle during episode 10.

(From left to right) Adele, Jack Whitehall and Miranda Hart during filming for the Graham Norton show at the London Studios. The show will air on BBC One tomorrow at 10.30pm.

Cee Lo performs during episode 11.Cee Lo performs during episode 11.
Snoop Dogg and Elle Macpherson have a moment during episode 11.Snoop Dogg and Elle Macpherson have a moment during episode 11.
(L-R) David Tennant, Catherine Tate and Josh Groban(L-R) David Tennant, Catherine Tate and Josh Groban
Josh Groban performs during episode 1.Josh Groban performs during episode 1.
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Presenter Graham Norton (centre) and guests, (left to right) Reese Witherspoon, Robert Pattinson, Shappi Korsandi and Hugh Laurie, during filming of The Graham Norton Show, at The London Studios, south London, to be aired on BBC One on Friday evening.

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(Left to right) Rob Lowe, Alex Kingston, Bradley Cooper and Ed Helms, during filming for the Graham Norton Show at The London Studios, south London, to be broadcast on BBC One Friday evening.

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Graham Norton, Cameron Diaz, Bear Grylls and Kathy Griffin are seen on The Graham Norton show filmed at the London Studios and to be transmitted on Friday June 17.

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(from left) Tom Hanks, Graham Norton, Simon Pegg and Nicole Scherzinger during filming of The Graham Norton Show at the London Studios.

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(From left to right) Adele, Miranda Hart, Graham Norton, Nico Evers-Swindell, Jack Whitehall and Camilla Luddington during filming for the Graham Norton show at the London Studios. The show will air on BBC One tomorrow at 10.30pm.

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Lady Gaga, Gwyneth Paltrow, Geoffrey Rush, Jason ByrneLady Gaga, Gwyneth Paltrow, Geoffrey Rush, Jason Byrne

Lady Gaga, Gwyneth Paltrow, Geoffrey Rush, Jason Byrne