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Ariana Grande is helping to kick off another season of "Saturday Night Live."  The singer put her acting hat back on for a sketch with host Chris Pratt and cast members Taran Killam and Kyle Mooney.  She played an action figure brought to life with the birthday wish of a little boy, who ended up getting his kitchen destroyed with her giant plastic sword.  

*WARNING: Some explicit content

Ariana was on hand as the night's musical guest.  For the first number, she selected her latest single "Break Free."  She showed off her vocal chops by performing the first verse of the EDM tune completely stripped-down. 

She also invited singer and producer The Weeknd to the stage to perform their duet "Love Me Harder," which appears on her sophomore album My Everything.  

Ariana tweeted Sunday that being on "SNL" for the first time was "a dream," adding "mom cried!"