Dianna Agron and Alex Pettyfer: Over Already?

Over? Just last week engagement rumors were flying. Oh young love!

Sources say "Glee" sweetie Dianna Agron and her "I Am Number Four" costar Alex Pettyfer have called it quits.

Initially, a reason for the split was not given, but Agron apparently moved out of the hunk's home just days ago. Now, a photo shoot from months ago is being cited as the reason for turmoil.

According to TMZ, our girl Agron dumped her beau over racy photos taken with socialite and model, Lydia Hearst. The snaps, taken by controversial photog Tyler Shields, show Pettyfer shirtless embracing (and smooching) two barely-dressed models.

Even so, we find it hard to believe Agron, who plays popular cheerleader Quinn Fabray on "Glee," would get her feathers ruffled so easily.

Making the split even harder to swallow, just last month Pettyfer dished about his lady on "The Ellen Show." He gushed to Ellen, "she's an amazing woman and she's got this old school, classic movie star elegance to her."

Ironically enough, the split comes simultaneously with the opening of the movie the two star in together. In fact, "I Am Number Four" director D.J. Caruso assisted in setting the duo up.

The film, which came in number 2 at the box office this weekend behind "Unknown," grossed nearly $20 million bucks.

Check out the steamy pics below. Would you be concerned if this was your guy or gal? Let us know on Facebook.