The movie's plot centers around Kat Ellis (Messing), who returns to her parents' London home for her sister's wedding. Afraid of confronting her ex-fiancé, who dumped her two years before ...

A show insider confirms to PEOPLE that Debra Messing – who announced Dec. 20 that she was separating from her husband of 10 years, Daniel Zelman – is now dating her Smash costar, Will Chase.

"I said, 'F you,'" she recalled. "I said, 'I made you literally billions of dollars, and you are charging me $250,'" she ...