Molly Shannon Channels Mary Katherine Gallagher as She Sings Nonsense Karaoke on The Tonight Show

Oh, how we’ve missed Molly Shannon’s dance moves.

The former Saturday Night Live star got her Mary Katherine Gallagher on as she performed some nonsense karaoke on Tuesday’s Tonight Show.

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Comic Molly Shannon Welcomes Baby Boy

Former Saturday Night Live star Molly Shannon and her husband of nearly a year, artist Fritz Chesnut, have welcomed their second child, a boy, born Tuesday in New York, her publicist tells Entertainment Tonight.

The baby, who weighted 8 lbs. 1 oz. at birth, is named Nolan Shannon Chesnut. The couple also have an 18-month-old, Stella.

Shannon to Exit 'SNL'

On Monday, “Saturday Night Live” regular Molly Shannon will announce that she is leaving the 26-year-old NBC comedy series in order to pursue a film career, reports The New York Times. Shannon’s best known role on the show is that of Mary Katherine Gallagher, the loser Catholic school girl, and the actress’ last appearance will be Feb. 17. The Times points out that Shannon’s departure proves that the New York-based show, despite its age, still serves as a springboard to Hollywood. (Not that all its grads go to the movies. Some, such as David Spade, go to prime time.