Steve and Tim chat to singer Rihanna and Mrs Brown aka Brendan O'Carroll.
BBC Radio 2
Steve chats to Apprentice board member Karren Brady and Professor David Spiegelhalter.
Steve and Tim chat to impressionist Jon Culshaw and actress Samantha Womack.
Steve and the team chat to actor Joss Ackland and comedian Greg Proops.
Steve and Tim chat to actor Hugh Bonneville and theatre impresario Bill Kenwright.
Steve chats to The Script front-man turned coach on The Voice - Danny O'Donoghue.
Steve chats to Downton Abbey creator Julian Fellowes and 'Queen of Shops' Mary Portas.
Steve chats to artists Gilbert & George, group The Band Perry and tech gurus Helen & Olly.
Steve and the team chat to Michael Bolton, Andrew Lloyd Webber and JLS on the big show.
Steve and the team chat to singer Will Young and DJ Annie Nightingale.
Tarrant sits in for Wrighty and chats to TV and music legend Cilla Black.
Steve and the team chat to Lionel Richie and Joe Pasquale.
Steve and the team chat to funnyman Alexander Armstrong and newscaster Huw Edwards.
Steve and the team chat to Goldie Hawn and Sir David Frost.
Steve and Tim chat to Jason Donovan and Bang Goes The Theory's Liz Bonnin.
Steve chats to actor and singer David Essex and The Military Wives.
Steve and the team chat to Rolling Stone Charlie Watts and journalist Caitlin Moran.
Steve and the team chat to Roger Daltrey from The Who and comedian Sarah Millican.
Steve and the team chat to comedian Andy Hamilton and singer Gilbert O'Sullivan.
Steve and Tim chat to Ricky Wilson, Jeff Wayne and Simon Callow.
With top movie guests Reese Witherspoon and Chris Pine and Barry From Watford.
Steve, Tim and Janey chat to Pauline Quirke and BBC arts editor Will Gompertz.