Mueller and Roth, who founded his clinical skin-care company in 1993, have been dating since the summer, after he split with Noreen, who is the managing director of his company.
“Brooke’s mother and stepfather introduced them in June. He enjoys her company and has even visited her in Salt Lake City, where she lives.
Roth has hired power divorce attorney Marilyn Chinitz to handle his divorce, but he still lives with Noreen in their Upper East Side townhouse.
“She is still the managing director of his company.
And Roth is expected to bring Mueller to Denise Rich’s Angel Ball at Cipriani Wall Street on Monday.
Rudy Giuliani officiated at Roth and Noreen’s wedding in 1996, and they have two sons together.
She has denied rumours she is pregnant again and has reportedly taken a pregnancy test in front of cameras to prove it.
Speaking to The Sun newspaper she said: "When you go through a divorce, life moves on.
Jennifer Love Hewitt visited 'The View' Wednesday where she talked about an ex who cheated on her for a year and a half.
He reprised his role as Dave in the 2009 straight-to-video sequel Green Street 2: Stand Your Ground.
As well as being business partners, Mr Hendricks and Ms Powell had an "on and off" relationship for some years.