Exclusive: Dianna Agron Is "Terrified" of Her "Psycho" Ex Alex Pettyfer

Celebrity Body February 22, 2011 AT 3:57PM By UsWeekly Staff

Credit: Jason Merritt/Getty Images; Michael Buckner/Getty Images

Glee's Dianna Agron didn't exactly sing a wistful ballad following her split from actor Alex Pettyfer after nearly a year together.

PHOTOS: Biggest Hollywood splits

Since moving out of the L.A. home she and the I Am Number Four star shared about two weeks ago, Agron, 24, "is staying at a hotel under an alias" a source reveals in the new Us Weekly, out Wednesday.

Why the secrecy? Pettyfer, 20, has been "a psycho loose cannon" in the aftermath of the split, another insider says.

PHOTOS: Love lives of Glee's stars

On Feb. 18, according to an eyewitness, he got into a heated confrontation at a West Hollywood club with actor Sebastian Stan -- furiously accusing the Black Swan star of hooking up with Agron.

"Dianna is terrified of [Alex]," a pal explains, adding that he "absolutely lost it" and threatened Agron during a vicious phone chat. (Pettyfer's rep tells Us he made no threats.)

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To read much more about the ugly breakup, pick up the new Us Weekly, out Wednesday.

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February 24, 2011 - 7:19am Leslie Boyd
This "story" is FALSE! GOSSIP COP ALREADY DEBUNKED IT! Just last week US was claiming that they were engaged and now they have this "psycho" Story? What crap. My first comment was deleted as I am sure this one will be as well. US WEEKLY STOP PRINTING FALSE STORIES AND RETURN TO THE MAG YOU ONCE WERE!!!! GET ACCURATE REPORTS AND USE RELIABLE SOURCES!!
February 23, 2011 - 2:53pm Christine Tyler
Good press was their showmance for the movie and a breakup. Calling him a psycho loose cannon is NOT good press. This is career ruining before his career even gets started.
February 23, 2011 - 11:57am Kyiia Clark
It's amazing how this comes out right as his new movie comes out. Some ppl, I swear
February 23, 2011 - 7:13am brian mak
no way! I cannot believe this. This cannot be real. I read it on this site too! They're so perfect for each other though... http://j.mp/ishotr104
February 22, 2011 - 8:43pm Liza Costa
I do not believe this news. xox
February 22, 2011 - 8:43pm Liza Costa
stay away from him, Dianna. Let my dear alex. and live your life dianna, LIVE!!!!
February 22, 2011 - 6:41pm Lawrence Jason Collins
he better not hurt my babe. I will find him and beat his ass. lol
February 22, 2011 - 6:37pm Marge Fritz
Who hasn't had an ordeal at one time or another with an obsessed ex? This is not exactly a story. She dumped him, he's obsessed with her and now he's acting irrationally. Big deal.
February 22, 2011 - 5:24pm Shannon Burmatoff
yeah right lol
February 22, 2011 - 4:52pm Barbara Codner
This is the same guy that tattoed Emma Roberts' name on his finger. He seems a bit intense. I'm not surprised at all.
February 22, 2011 - 4:34pm Kristina Buford
I don't believe this, but I am glad Dianna is away from Alex.