[LAST UPDATED: 4/27 3:07 PM] This weekend is the White House Correspondents' Dinner, which means a tornado of beautiful celebrities and media moguls will descend upon Washington to attend the dinner and its dozens of before- and after-parties.

Who all is coming? Rumor has it George Clooney and his girlfriend Stacy Kiebler will be coming as guests of TIME Magazine, Sofia Vergara and Elizabeth Banks as guests of ABC, Daniel Day-Lewis as a guest of Huffington Post, Claire Danes as a guest of CBS, Stevie Wonder as a guest of American Urban Radio Networks, and Reese Witherspoon and Viola Davis will be guests of Newsweek--just to name a few.

[GofG's Rachelle Hruska and Bradley Cooper]

On to the party guide: More»

Cindy Crawford and Rande Gerber are busy playing host at the Caliche Rum launch event for guests like Jeremy Piven, Leonardo DiCaprio and our personal favorite, Paz De La Huerta; Melissa McCarthy and Chuck Lorre hit the Academy of Television Arts & Sciences their 21st annual Hall of Fame Ceremony; Tim and Eric go from the small screen to the silver screen at the premiere of their new movie in Hollywood; Weezy and Cee-Lo perform at a special event for Caesar's Palace in Las Vegas, but at Hollywood & Highland—L.A. was just warming things up for the weekend Thursday night and we have all the details (and another Paz photo!) in this edition of Last Night's Parties! More»

Last weekend, the Hollywood & Highland Complex hosted our nation's most overblown, self-serious and utterly silly televised event that doesn't involve grown men with the names "Mitt" and "Newt." Perhaps they felt like they owed us some actual fun, because last night, mega-casino-resort chain Caesar's Entertainment promoted their new Total Rewards program by hosting a series of simultaneous free shows in L.A., NYC, Chicago, and New Orleans. But only ours had multi-platinum superstar and completely crazy person Lil Wayne, so I think it's safe to say we won. More»

Loveisrespect.org launches a "Louder Than Words" campaign with Ashley Greene; Meagan Good and Terrell Owens attend the L.A. premiere of Dysfunctional Friends; Van Halen kicks off a new tour and album with a private performance at Jim Henson Studios; Jimmy Kimmel sings happy birthday to Hollywood on its 125th—we have the details on all of this week's Hump Day happenings in L.A. inside this edition of Last Night's Parties! More»

Justin Timberlake, Jessica Biel and a pregnant Hilary Duff step out to support brain cancer awareness and medical research; Jon Hamm, Jenna Fischer, Nicole Richie and Eli Roth go to Spare Room to party for Mindy Kaling's new book; a very Twi-tastic premiere after party for Breaking Dawn takes a turn for the 90s with a mini Can't Hardly Wait reunion—L.A. was buzzing with events here and there on Monday, get the details in this edition of Last Night's Parties. More»

[Diplo planking with elephant photo via] Planking. Are you down with it yet? If you're not, the odds are you've been extremely confused at least once in the past few months, as you walked through some public park, store, or landmark, only to see some young person lying facedown, arms and legs board-stiff at their sides, having their picture taken. Maybe you tried to call it in to the police, only to be told the only crime being committed was your woeful ignorance of the latest and greatest in inexplicable trends. Here's a quick catch-up guide, in the form of our nation's favorite celebrities jumping on the planking bandwagon. Enjoy it now, before it goes away forever! More»

Woody Allen screened his new movie and then hit the after party at Tribeca Grand; Alec Baldwin and Brian Williams hung out at MoMa; Ed Westwick mounted Todd DiCiurcio at Free Arts; Hamish Bowles and Patricia Fields hosted DIVAS Shop for Opera; Courtney Love hit the Joyful Revolution and the launch of Jane Pratt's web site and more! Last night's parties were making the rounds! More»