Photo Flash: GLEE Cast Attends Santa Monica Sing-A-Long

GLEE might not be back in full swing until September, but the cast of the show just attended Fox's 'Glee' Sing-A-Long event at Santa Monica High School. Check out photos from the event below!

The multi-generational phenomenon that has inspired millions to embrace their inner-Gleek brings them together to experience Glee a whole new way, with Glee: The 3D Concert Movie,produced by Ryan Murphy and directed by Kevin Tancharoen. The film features Glee's cast performing their biggest hits live with a world class backing band as well as documenting the ultra successful Glee Live! In Concert! tour, which will have a limited two week theatrical run beginning August 12th.

To date the studio recorded versions of the 23 songs appearing in Glee The 3D Concert Movie (Motion Picture Soundtrack) have sold over 5.7 million tracks. To date over 33 million Glee songs have been digitally downloaded, with over 10 million albums sold worldwide. Glee scored three consecutive #1 releases with Glee: The Music, Volume 3 Showstoppers, Glee: The Music, The Power of Madonna and Glee: The Music, Journey To Regionals. The RIAA has certified Glee: The Music, Volume 1 Platinum (sales in excess of 1 million units) as well asGlee: The Music, Volume 2, Glee: The Music, Volume 3 Showstoppers and Glee: The Music, Volume 4 Gold (sales in excess of 500,000 units).

Glee makes its return to primetime on Tuesdays at 8PM ET/PT on September 20th on Fox.

Photo Credit: Frank Micelotta/Picturegroup/FOX