Several hundred people squared off in Pershing Square yesterday to help celebrate International Pillowfight Day. LAist brought you a wonderful photo essay on the event last night. And since about 500 of the 300 people at the pillowfight had cameras, I suspect these aren't the last photos you will be seeing from the event.......

In celebration of World Pillow Fight Day, hundreds of spring-fevered revelers duked it out in Pershing Square 'til they were "ankle-deep in feathers." All photos by Dan Tentler for LAist......

Photo by Dave Schumaker via SFist via Flickr Yes, as warned a couple weeks ago, the weekend of outlandish events that will turn heads all around have come. These events are no UCLA Undie Run, but you don't need to strip down half naked to have fun. Here's what's going on: Tonight, 10:00 p.m.: Mobile Clubbing @ Hollywood/Highland Red Line Station Grauman's Chinese Theater. Get ready to jam to your own iPod in a......

Photo by Dave Schumaker via SFist via Flickr Update: For the most recent info on the Pillow Fight, they made a dedicated webpage for it. Check pillowfightlosangeles.comBYOP(illow) to Pershing Square on Saturday afternoon, March 22nd because it's time to have some fun. It's World Pillow Fight Day and the LA Burners are hosting the downtown, transit accessible, event. And yes, there are rules: Soft pillows only! Swing lightly, many people will be swinging at......