"It was more of a time thing -- they didn't get much of it together," a friend of the former couple told the magazine.
"There was no fallout, they're still friends, just not lovers anymore," the insider said. "She's doing all right -- she throws herself into her work during times like this and she's got so much work going on at the moment."
2014: The Year in Fashion [PHOTOS]
Black Sabbath announce new album, final tour