STAGE TUBE: GLEE Tour Kicks Off in Las Vegas

The cast of GLEE embarked on a national, sophomore summer tour beginning May 21 in Las Vegas at the Mandalay Bay Events Center. To watch videos of performances from the concert, including "Firework," "Teenage Dream," and "Born This Way," click below.

GLEE is the highest-rated scripted series of the season and boasts critical acclaim, a loyal fan base of "GLEEks," two certified Gold albums, more than 10 million song downloads and an incredible 19 Emmy nominations - earning it the distinction of being the most-nominated series of the year. To top it off, the genre-defying, award-winning series has been picked up through its third season.

GLEE airs on FOX Tuesdays.