US TV
The 45-year-old actress, who plays Edie Britt, is one of the original cast members in the ABC drama.
No details about her exit storyline have been released. However, her representative claimed that her final episodes would not air in the US "until April".
"She had a great time on the show and is looking forward to her next project," her rep told People.
Desperate Housewives returns to Channel 4 on February 25 at 10pm.
Tube Talk
Upstairs Downstairs: Why you should watchTube Talk previews the return of BBC One's rich period drama Upstairs Downstairs.
2012-13 Season
Kate Moennig joins 'Ray Donovan' pilotKate Moennig will play Liev Schreiber's partner in a new Showtime pilot.
US TV Interviews
Debby Ryan talks Disney's 'Jessie'The Suite Life's Debby Ryan stars in new Disney Channel comedy Jessie.
US TV Ratings
'American Idol' grabs 18.6m for FoxAmerican Idol leads Fox to an easy Wednesday night primetime victory.
