Mark Salling told to behave

Mark Salling has been a naughty boy! The Glee actor — who recently racked up headlines over his messy love life — has been told to clean up his act or be booted from the hit FOX show.

“Marks bosses on Glee fear his off-set antics could bring negative publicity to their family oriented series,” a source said.

“They sat him down and reminded him he’s replaceable.

“After the show took off, Mark turned into a first-rate party boy. When he’s not working, he’s drinking in clubs and picking up women. He’s known as the ‘Hookup King’ on the set.

“Mark’s a likable guy, but after work he’s a wild man.

“Right now, he needs to chill. Glee producers are not happy with him.”

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