“Ok dang I can never sing that again,” Perry jokingly commented on a video of the performance posted by the official Kelly Clarkson Show Instagram. The comment has received over 6K ...

"Ok dang I can never sing that again," Perry, 39 ... " ," Lambert commented. Kelly Clarkson Performs Jazzy 'Frasier' Theme Song with Kelsey Grammer for Kellyoke — Watch!