JC Chasez Makes Rare Appearance to Perform Iconic *NSYNC Songs with Darren Criss 'Glee' Christmas Reunion! Lea Michele and Darren Criss Sing Their Way Through NYC for 'Carpool Karaoke' Lea Michele ...

Darren Criss (the beloved star of television's "Glee," and the Broadway musical "Maybe Happy Ending") and the Young People's Chorus of New York City help "Sunday Morning" celebrate Christmas with ...