They are vacationing together on a private tropical island and even sharing a house together in Los Angeles, but one thing Brooke Mueller won't be sharing with ex-husband Charlie Sheen is his bed.

In an exclusive interview with Breaking Celebrity News, Mueller's stepdad has lifted the lid on the exes bizarre living arrangement and revealed why his his step-daughter won't be jumping back into the sack with the Two And A Half Men star.

"Brooke has sold the house in Los Feliz and needed a place to stay until her new home is ready in Beverly Hills," said Jon Fiore when asked why Mueller has moved back in with her soon-to-be ex-husband, his [expletive] star pal, Bree Olson, and his new girlfriend Natalie Kenly.

"She moved in with Charlie only temporarily. They are not back together."

As Breaking Celebrity News first reported, the troubled star set sail Wednesday for a tropical vacation with his live-in ladies. But Fiore says their romance won't be rekindled du