05/02/2010 05:12 am ET | Updated May 25, 2011

Charlie Sheen & Brooke Mueller Had Druggie Threesomes: RADAR

"Brooke is bisexual," another insider told RadarOnline.com. "She and Charlie have had more than one woman share their bed in the short time they've been married."

Brooke is being treated for crack addiction and alcoholism. Charlie had been using cocaine and also started boozing again.

"Some of the women they slept with together also did drugs with them," the insider told RadarOnline.com.

Read more on radaronline.com