Holly Marie Combs -- who starred as the good witch Piper Halliwell on "Charmed" -- has filed for divorce from her husband of 7 years ... the actress confirms with TMZ.
Combs married David Donoho back in 2004 -- after meeting the guy on the set of "Charmed." David was a key grip on the show.
Combs -- who now stars on the ABC Family show "Pretty Little Liars" -- cited irreconcilable differences as the reason for the split. We're told the relationship has been rocky for "quite a while."
The couple has three young children together -- we're told Combs has requested joint custody.
As far as a prenup is concerned -- we're told they don't have one ... which could be a costly move for Combs.
'Charmed' Star Holly Marie Combs
Conjures Up Divorce Papers
11/11/2011 9:30 AM PST BY TMZ STAFF
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