VIDEO: Jimmy Fallon Finds Out Something Strange About Ariana Grande's Ponytail on THE TONIGHT SHOW

On this last night's episode of "The Tonight Show Starring Jimmy Fallon," Jimmy stops backstage to talk to Ariana Grande and discovers something incredible about her iconic ponytail.

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As of Feb. 17, 2014, "The Tonight Show" returned to its New York origins as "The Tonight Show Starring Jimmy Fallon" made its broadcast debut from Studio 6B in Rockefeller Center. Emmy Award- and Grammy Award-winning comedian Jimmy Fallon brings a high-tempo energy to the storied NBC franchise with his welcoming interview style, love of audience participation, spot-on impersonations and innovative sketches.

An American television institution for over 60 years, "The Tonight Show" continues to be a home to big-name celebrity guests and a stage for top musical and comedic talent. Taking a cue from his unforgettable predecessors, including hosts Johnny Carson and Jay Leno, Fallon carries on the tradition that audiences know and love - kicking off every show with the iconic "Tonight Show" monologue. Known for his huge online presence, Fallon also brings along with him many of the popular segments, celebrity sketches and musical parodies that fans have grown to love including #Hashtags, Thank You Notes and Slow Jam the News.

The critically praised Grammy-winning group The Roots serves as "The Tonight Show" house band.