Dianna Agron Sets the Record Straight on Glee Tribute Episode Rumor.

Dianna Agron has denied rumors that she was "barred" from participating in the Glee tribute episode dedicated to her co-star Cory Monteith after his death in 2013. The actress, who played Monteith's character's ex-girlfriend and fellow Glee Club member, said that there are many false pieces of information out there and that she may write a book at the end of her career to go into detail on everything that was true and untrue. Agron also reflected on her time on the show and what it was like to be a young woman in the spotlight.