The Insider.com

Amy Poehler proved yet again that she's pretty much game for anything when it comes to getting a good laugh, belting out a hilariously awful rendition of Katy Perry's hit song Firework.

• October 09, 2012When Speedman Met Gosling
• October 08, 2012Adam Scott Stars In 'Greatest Event In TV'
• October 04, 2012Action Figures Engage in 'Battle of the Bonds'
• October 04, 2012Ethan Hawke: I'd Eat Angelina Jolie
• October 03, 2012Olivia Wilde Confirms Dating History (Sorta)
• October 03, 2012Taylor Explains Her Signature 'Shocked Face'

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.

Video: Lost 'Mean Girls' Rehearsal Rap

"Amy Poehler singing a stunning rendition of @KatyPerry's 'Firework' at @glamourmag's #TheseGirls event," supermodel Coco Rocha tweeted alongside this priceless video.

Video: Amy Poehler Smokes, Drinks on 'Leno'

Click here to catch the good times in action.