"Charlie has been great with all of the stuff going on," Taylor said at the AARP Movies for Grownups Awards on Tuesday night. "He's really good—he's in good spirits."
Taylor, who plays Sheen's on-again/off-again fiancée, Chelsea, on the hit sitcom, added that she's very impressed with his positive attitude while working...
"He's amazing," she said. "He's holding up really well, and my prayers are with both of them."
And while the CBS comedy isn't shooting this week, Taylor pointed out it has nothing to do with any Sheen-related drama—the show is on its scheduled hiatus.
Mueller checked into the Canyon rehab facility in Malibu last week.
Catch up on all the latest Sheen-Mueller happenings right here.