O'Grady, who regularly sits in for Elaine Paige on Radio Two, will present a show on Sundays at 5pm, with Alan Carr with Emma Forbes taking to the airwaves every Saturday at 6pm.

In addition, Johnnie Walker, currently presenting the series Pirate Johnnie Walker on Saturday nights, launches a new format for Sunday afternoons, Johnnie Walker's Sounds Of The 70s.

Radio Two controller Bob Shennan says, "Radio Two is committed to offering the very best entertainment and in Paul and ...