US TV
Rex Features
The 38-year-old singer-songwriter will fill in for regular co-presenter Elisabeth Hasselbeck on October 15.
Hasselbeck has been on maternity leave since August when she gave birth to a baby boy.
DioGuardi is the latest in a string of celebrities to land a guest slot on the ABC daytime show. Previous co-hosts have included Victoria Beckham, La Toya Jackson and Kate Gosselin.
Tube Talk
'Friday Night Lights': Why watch?Tube Talk explains why you should watch Sky's new show Friday Night Lights.
2012-13 Season
'How I Met Your Mother' for Fox comedyBecki Newton will star in Fox pilot The Goodwin Games.
US TV Interviews
'The Bachelor' Blakeley Shea - interviewModel was sent home following a two-on-one date with Ben and Rachel.
US TV Ratings
Grammy Awards most-watched since 1984The 54th Grammy Awards is seen by over 40 million viewers for the CBS network.
