Blind Item #4 - Mr. X

Which Broadway actor who is better known for his love life nowadays, as well as being in one of the bigger movies of the year, had to have the stage managers of the play which made him famous ban his now ex wife from entering the theater because their screaming matches could be heard all throughout the venue? She allegedly also left a bad impression on his cast mates of the play, so much so that they gave her a nickname. It was the c-word.