The Great White Way.

In addition to Darren Criss (Blaine) being promoted to series regular on Glee, he will be taking on a new role. According to The Los Angeles Times, he will take over for Daniel Radcliffe ("Harry Potter") in the Broadway show "How to Succeed in Business Without Really Trying" beginning January 3. He is only slated for a three week run at this point.

The musical comedy is about a window washer who climbs the corporate ladder with the aid of a self-help book, titled "How to Succeed in Business Without Really Trying." John Larroquette ("Night Court") also stars.

While we wait for "Glee" to return in the fall, relive Kurt (Chris Colfer) and Blaine's "Baby, It's Cold Outside" duet from last December.

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Header photo credit: Joseph Marzullo/