Graham kicks off this season with the Tenth Doctor David Tennant and his former companion (and ‘Much Ado About Nothing’ stage production co-star) Catherine Tate.

Award winning actress/singer Jennifer Hudson, musician k.d. lang and comedian Bill Bailey take seats on the red couch this week.

Powerhouse singer Adele joins Graham along with Miranda Hart (‘Miranda,’ ‘Not Going Out’) and comedian Jack Whitehall.

Graham welcomes ‘Water for Elephants’ co-stars Robert Pattinson and Oscar-winning actress Reese Witherspoon, plus Hugh Laurie (‘House’) and comedian Shappi Khorsandi.

The one and only Lady Gaga performs and chats with Graham along with Oscar-winners Gwyneth Paltrow and Geoffrey Rush.

It’s a line-up to remember when rap superstar Snoop Dogg, supermodel Elle Macpherson and Academy Award-winner Cuba Gooding, Jr.

Bradley Cooper returns to the show, this time with his ‘Hangover 2′ co-star Ed Helms, ‘Parks and Recreation’s’ positive thinker Rob Lowe and ‘Doctor Who’s’ Alex Kingston.

Graham is joined by acclaimed comedian Jack Dee; British actor-turned-Hollywood star, James McAvoy, starring in X-Men: First Class; and the legendary Liza Minnelli, who chats about her extraordinary life and career, and performs live in the studio.

Graham has Hollywood heavyweight and two time Oscar-winner Tom Hanks along with Simon Pegg as this week’s guests.

Graham is joined by Hollywood actress Cameron Diaz, starring in new movie Bad Teacher; and top American comedienne Kathy Griffin.

Graham’s guests this week include young Obi-Wan, Ewan McGregor (‘Beginners’ ‘Star Wars: Episodes I – III) and ‘Bridesmaids’ star Chris O’Dowd.

A look back at the celebrity guest-filled best moments of Season 9.