The adult film actress still has a divorce to settle, Sheen's rep Jeff Ballard confirms to PEOPLE exclusively.
"She's been separated from this guy for two years," he says. "It's just a matter of the paperwork winding its way through the court system."
The divorce proceedings, first reported by Radaronline, apparently aren't a problem for the Anger Management star, 48.
"Charlie and Scottie have no secrets," Ballard says, referring to Rossi's nickname. "Charlie is well aware of Scottie's situation."
Sheen popped the question to his leading lady on Saturday, making it potentially the fourth time he will say, "I do."
On Sunday, the actor issued the following statement to PEOPLE in celebration of his happy news:
"With all due respect to Donna –
that maiden Klay-Vinn was annulled.
truly is a charm;
of the real CS,
(Charlie & Scottie)
HAS to be;
Reporting by MONICA RIZZO