Amy took to the stage at Glamour magazine's These Girls performance party at Joe's Pub in New York City last night, where she obviously had lots of fun with fellow funny ladies Rashida Jones, Ari Graynor and Girls star Zosia Mamet who all joined in on the karaoke fun.
"Amy Poehler singing a stunning rendition of @KatyPerry's 'Firework' at @glamourmag's #TheseGirls event," supermodel Coco Rocha tweeted alongside this priceless video.
Click here to catch the good times in action.
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