Dianna Agron & Sebastian Stan Split

Dianna Agron and Sebastian Stan have split up, sources confirm to JustJared.com.

The 25-year-old Glee actress and Captain America: The First Avenger star, 28, coupled up in May but have gone their separate ways.

PHOTOS: Check out the latest pics of Dianna Agron

Dianna previously dated Alex Pettyfer, her co-star in I Am Number Four.

Dianna seems to be taking her newly single status in stride – she was all smiles at a celebration of her Nylon cover on Wednesday at an event in Los Angeles.

WHO DO YOU THINK Dianna Agron and Sebastian Stan should date next?