President Obama: Watch His White House Correspondents Dinner Speech

updated 04/27/2013 AT 09:00 PM EDT

originally published 04/27/2013 AT 11:40 PM EDT

It's a Hollywood-Washington mash-up that always teeters on becoming a smash-up.

Conan O'Brien brought the late-night comedic chops as host of the White House Correspondents Dinner on Saturday night in Washington D.C.

But it was President Obama who got in the best zingers – much to the delight of the famous faces in the crowd.

"I just witnessed our President deliver the funniest speech I have ever heard," Tweeted Katy Perry.

Then O'Brien had his chance.

"Right now - Conan. Is killing it!!!" added Julia Louis-Dreyfus on Twitter.

It was definitely a star-studded night. Look among the tables of politicos for the likes of Sofia Vergara, Rebel Wilson, Connie Britton, Amy Poehler, Jessica Pare, Julie Bowen, Kerry Washington and Hayden Panettiere.

From Our Partners