Rumors about Ashton Kurcher's and Demi Moore's "open relationship" and Moore being "bisexual" have surfaced on the brink of their divorce. She choose to end their six years of marriage after his alleged infidelities were made public.

There were rumors that the couple had an "open relationship" leading up to suggestions that Moore might be bisexual. A source told Star magazine that Moore was attracted to women as much as men so she didn't always get what she wanted from her husband.

"Everyone in Hollywood knows about their arrangement, but they've managed to keep it a secret from the general public," the source says.

"She was cool with Ashton having flirtatious relationships too. Somehow they made it work all these years. Both of them were respectful of each other. It was a lot of fun for them," added the source.

But the mood shifted after Kutcher's alleged affair became public and the relationship's terms turned sour. Comedienne Chelsea Handler said although she doesn't know them personally, it was obvious that the two participated in an open marriage.

Kutcher's first alleged mistress who came forward last September 2010 said that the actor had an "open marriage" with his wife.

"Ashton told me that both he and Demi had an open relationship and that he was not in fact cheating. Now I can tell all the facts about how Ashton really was, and hopefully people will believe my side of the story," Brittney Jones told TMZ.

The couple married Sept. 24, 2005, in an intimate yet lavish Kabbalah ceremony at their home in Beverly Hills, Calif.

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