“Of course I was,” Mueller, 38, told PEOPLE at the The Brent Shapiro Foundation 10th Anniversary Summer Spectacular on Saturday, when asked if she helped Sheen celebrate his recent 50th birthday. “We’re getting along fantastically.”
Mueller, who is the mother of Sheen’s twin 6-year-old sons Bob and Max, said that the boys also helped Sheen celebrate – and that they are turning more into their dad every day.
“Bob looks like Charlie but has my personality. Max looks more like me but acts like Charlie,” Mueller said.
The Saturday event in Beverly Hills, California, focused on drug and alcohol addiction, something Mueller has struggled with herself.
“Obviously I relate, and I’m a part of the recovery community,” she said. “I’m doing good right now.”
“I’m just being the best mother I can be,” she said.
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With the twins starting first grade, Mueller certainly has her hands full, but she wouldn’t want it any other way.
“It’s so great. I just went to open house and met teachers and saw the classrooms,” she said. “They’re doing incredible. They’re maturing.”
And as an added bonus, the kids are also helping her find her own inner child.
“Every day when I’m with them, I remember more about my childhood,” she said. “I love motherhood. It’s wonderful.”