Charlie Sheen has just made it official -- he's fighting Brooke Mueller in court tomorrow for custody ... TMZ has learned.
Sources connected with the case tell us ... Charlie's lawyer just gave Brooke's attorneys notice that they will ask a judge Tuesday to undo the restraining order prohibiting Charlie from seeing his kids.
TMZ broke the story ... settlement negotiations between Brooke and Charlie stalled this weekend because of several issues, including a requirement that a monitor be present when the kids are at Charlie's home.
Charlie Sheen and Brooke Mueller Headed for Court
3/7/2011 2:40 PM PST BY TMZ STAFF
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