Amber Riley, who plays Mercedes, told TVLine.com that she and Spring Awakening veteran Lea Michele will duet on "Take Me or Leave Me," the female power number from Rent. Riley states that the song will be a diva-off between their two characters.

Upcoming episodes will also feature a couple Paul McCartney songs, including "Silly Love Songs," performed by Darren Criss, who plays Blaine. Academy Award nominee Anne Hathaway has also signed on to create a role on "Glee," as Kurt's lesbian aunt. Chris Colfer, who plays Kurt, earned a 2011 Golden Globe.