Josh Groban sings about Rob Ford on Letterman

Singer Josh Groban performed the Top Ten Christmas Songs For 2013 - with Rob Ford coming in at No....

Singer Josh Groban performed the Top Ten Christmas Songs For 2013 - with Rob Ford coming in at No. 4.

Don Peat, QMI Agency

, Last Updated: 12:51 PM ET

TORONTO - Mayor Rob Ford's crack scandal is making for some holly, jolly Christmas jokes on late-night TV.

The Late Show with David Letterman cracked another joke about Ford during the show's famous Top Ten List on Wednesday night with a little help from singer Josh Groban.

Groban performed the list, Top Ten Christmas Songs For 2013.

Number four on the list referenced Ford and his admission in November that he has smoked crack - all to the tune of the Christmas carol, It Came Upon a Midnight Clear.

"That jolly fat man has quite a knack, for being beloved and adored," Groban sang. "He carries a sack full of beer and crack, it's Toronto's Mayor Rob Ford."

Letterman isn't the only U.S. comedian still getting laughs with Ford jokes.

Jimmy Kimmel has been having festive fun with Ford all week on his show, Jimmy Kimmel Live.

Kimmel used the audio from Ford's crack-smoking confession with a scene from the Christmas special, Santa Claus Is Coming to Town. He gave Ford's voice to the evil mayor in the classic TV show, Burgermeister Meisterburger.

A day later, Kimmel presented the 12 Days of Rob Ford.


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