Well-known cougar Demi Moore is having trouble dealing with the fact that even though she split from husband Ashton Kutcher more than a year ago, he's "already" moved on and is now dating his former 'That '70s Show' co-star, Sexiest Woman Alive title-holder Mila Kunis.

Moore is allegedly trying to deal with her broken heart by dating much younger restauranteurs, even younger art dealers, hitting on Lenny Kravitz while drunk-dancing and taking in lost kittens. (No, that's not a metaphor.)

“Demi wants nothing more than to be able to move forward with her life, but she’s still really, really upset about Ashton and Mila, it eats her up every time she hears about them or see pictures of them together,” a source told the ever-reliable Radar Online.

“She’s doing everything she can right now to live her life to the fullest, but it’s hard to move on because she still has feelings for Ashton and hasn’t found a suitable distraction just yet," the snitch went on.

"Distraction," in this case, being a boytoy who will stick around and deal with her antics rather than giving her the heave-ho for being the most immature 50-year-old to ever throw on a romper.

“She’s accepted what is going on with her life,” the source added. “She would like a new boyfriend and is actively trying to find one, she thinks that will help her to move on from Ashton.”

The rift is also causing tension with her three daughters (Rumer, Scout and Tallulah) from her previous marriage to Bruce Willis -- her girls think their mom is “desperate to hang onto her youth at all costs” and has yet to get over Kutcher.

We know the separation stung. But there's gotta be comfort in knowing that -- in the esteemed words of Carrie Underwood -- the next time he cheats, it won't be on her.

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