By Alexis Tereszcuk - Breaking Celebrity News Entertainment Editor

Demi Moore’s daughters have been by her side during her traumatic collapse at her home, then throughout her rehab stay, but Breaking Celebrity News has learned that the girls are increasingly worried about their mother and her recent behavior.

“Rumer, Scout and Tallulah are growing apart from their mother lately,” a source close to the family tells Breaking Celebrity News about Demi’s relationship with her children by her ex-husband Bruce Willis.

“They’re really worried about everything she is doing lately and they’re getting mad at her. Demi has been doing things that make them worry that maybe she isn’t staying sober and they’re not happy about her behavior.

"The last thing these girls need is dealing with their mother going through yet another episode."

The girls were all together at Tallulah’s high school graduation over the weekend where Demi showed up looking very skinny in a short black dress.

“Things were really tense at the graduation,” the source says. "Demi did not look healthy and did not seem in a good place. All three girls are concerned she may have relapsed."

Breaking Celebrity News has also learned that while the girls wanted their estranged step-dad Ashton Kutcher to attend the graduation, Demi wouldn’t allow him.

“Demi said no way when she heard that Ashton wanted to go. She doesn’t like how close he is to her daughters and especially now she doesn’t want them hanging out with hi