STAGE TUBE: First Look at 'GLEE Project' Contestants

Oxygen's "The Glee Project" has released a video giving viewers the first look at the 12 final contestants who are set to compete for a guest spot on Fox's GLEE. The 12 finalists all sang Katy Perry's "Firework."

GLEE Cast members will rotate in and out each week in order to coach the contestants. Darren Criss is set to appear in the premiere.

The Glee Project is produced by Glee co-creator Ryan Murphy, Glee executive producer Dante di Loreto, and reality producers Michael Davies and Shauna Minoprio. The winner of the competition will be cast in a seven-episode arc on GLEE.

The Glee Project premiers Sunday, June 12 on Oxygen.

Click below to watch the contestants perform.