Elizabeth Banks, J. Lo (with her beau!), and Anna Kendrick walk the carpet at the Chinese and party at the Roosevelt alongside Lion's Gate execs at the premiere of What To Expect When You're Expecting; Bravo honcho/host Andy Cohen brings out the brightest stars of the Bravoverse for the release of his new life-in-pop-culture memoir; former "Baywatch" star Donna D'Errico hosts the red carpet premiere of her new reality show about life after The Hoff. Monday night might not have been packed with parties, but since it doesn't cost you anything to read, you'll get your money's worth in this edition of Last Night's Parties!

Anna Kendrick, Elizabeth Banks at the What To Expect When You're Expecting After Party [via] More»

Steven Tyler and Tommy Hilfiger hit up the Viper Room for an evening of music with The Click Clack Boom and a photography exhibit by Mia Tyler; Larry David and Jane Lynch join stars Sean Hayes, Chris Diamantopoulos and Will Sasso for the Los Angeles premiere of their new movie The Three Stooges; Moby, Danny Masterson and Giovanni Ribisi attend the opening reception for photographer Alex Prager's exhibition at M+B Gallery in West Hollywood—get the rundown on who partied where this weekend in Los Angeles in this installment of Last Night's Parties! More»

Grauman’s Chinese Theatre celebrates its 85th birthday this year and in honor of the occasion, the iconic L.A. landmark will be offering admission for only 25 cents, the same price it fetched on its 1927 opening, on select Mondays beginning April 2nd. On these 25-cent Mondays, Grauman’s and the Chinese 6 Theatres will show classic films premiered at the Hollywood monument over the past eight decades. As a tribute to the birthday of one of L.A.'s greatest icons, we bring you a closer look at Graumans' rise as Hollywood's most famous movie theater and its rich history of milestones and events since 1927, from its first glamorous movie premiere to a recent Spongebob beatdown. More»

Sucker Punch alums Abbie Cornish and Jamie Chung attend the 2012 Tribeca Film Festival reception at the Beverly Hilton Hotel; Jason Biggs, Alyson Hannigan and the rest of the original American Pie gang get together at Grauman's Chinese Theatre for the Los Angeles premiere of American Reunion; Kathy Griffin speaks on a panel at the Weinstein Company's screening of Bully—Monday night's parties got the week started off right in Los Angeles and we've got all the details in this edition of Last Night's Parties! More»

L.A. Confidential Magazine and Tony Bennett enjoy an elegant dinner at Crustacean in Beverly Hills to celebrate the Grammys; Jerry Ferrara and P. Diddy showed up for the premiere of Think Like A Man; Mary J. Blige rocks the Avalon for the (Belvedere) RED Pre-Grammy Party; Mark Ronson DJs the Re:Generaton Music Project World Premiere; Paris Hilton and The Black Eyed Peas hit the 1st Annual Trans4Mation pre-Grammy party; Kelly Price and Whitney Houston take the stage at For The Love of R&B Grammy party before Whitney is angrily escorted out; Christina Milian and Eric Stonestreet of “Modern Family” celebrate L.A.’s music industry with a party at The Getty House; Lily Aldridge shows off her baby bump at HBO's "Eastbound and Down” season three premiere; Bill Nye the Science Guy and Chris Evans, celebrated the worldwide debut of a new 100% electric Tesla SUV—from Whitney Houston's latest public adventure in being a hot mess to new electric cars, we've got the details on what went down Thursday in Los Angeles in this edition of Last Night's Parties! More»

As the multitude of amazing, exclusive Grammy parties going down this weekend surely proves, we love our music stars out here. But this is Hollywood, first and foremost a movie town, so what better way to celebrate the Grammys than with a movie about music? That must have been the thought process behind Re:Generation Music Project, a documentary that challenged music producers Mark Ronson, DJ Premier, Skrillex, Pretty Lights and The Crystal Method to compose and produce a song from a completely different genre. They all showed up to last night's premiere at Grauman's Chinese Theatre, and it looks like it was a hell of a party. More»

Reese Witherspoon, Chris Pine and Tom Hardy attend the premiere of their new movie This Means War at the Grauman's Chinese Theatre; Lana Del Rey performs at the Grammy Awards' Producer's and Engineers Wing Event; The Jonas Brothers and Bryan Greenberg kick off "Rock The Vote" at Fred Segal; Essence Magazine honors Kelly Rowland and Sylvia Rhone in the 3rd annual Black Women In Music Event; Courteney Cox and the cast of "Cougar Town" attend their premiere screening in Beverly Hills; The Grammys celebrate themselves with a Grammy Glam party featuring Erykah Badu and DJ Spinderella—the parties kept on rolling through Tuesday and Wednesday here in Los Angeles and we've got the details on what went down in this installment of Last Night's Parties! More»

Brad Pitt, George Clooney and the rest of the Oscar nominees gather for the 84th Annual Academy Awards Nominees Luncheon at the Beverly Hilton Hotel; Channing Tatum and Rachel McAdams step out for the premiere of their new film The Vow; Meryl Streep and Glenn Close celebrate AARP Magazine's 11th Annual Movies For Grownups Awards with a cocktail party and ceremony—while most of the country was still recovering from the ritual overindulging that goes hand-in-hand with the Super Bowl, it was another eventful Monday in L.A. and we've got your inside look at the best events and beautiful people who attended them in this edition of Last Night's Parties. More»

Ashley Tisdale, Vanessa Hudgens, Rachel McAdams

Vanessa Hudgens, Rachel McAdams, The Rock and more step out for a Hollywood premiere; Kat Von D debuts her art for Sephora; Daniel Radcliffe gets a surprise marriage proposal from an adoring fan on the red carpet at The Grove; Reggie Bush makes his foray into DJing at Wilmer Valderrama's birthday throwdown at Greystone Manor—get the details on who was partying where on Thursday in L.A. to get a head-start on the weekend in this edition of Last Night's Parties! More»

Justin Bieber, Quincy Jones step out to see Michael Jackson immortalized with hand and footprints in cement at Grauman's Chinese Theatre; Salt-n-Pepa prove they still got it at the launch of McDonald's new Chicken McBites menu item; The 18th Annual Screen Actors Guild Awards holds a behind the scenes champagne dinner by Suzanne Goin; Diane Keaton,  Julia Louis-Dreyfus, Kevin Kline and more kick off the Santa Barbara International Film Festival—we have the highlights of what went down on Thursday in and around L.A. in this edition of Last Night's Parties. More»

Dustin Hoffman, Nick Nolte and others enjoy the premiere of HBO's new drama "Luck"; David Beckham cheers on the Lakers with Jack Nicholson and Chris Tucker; Julia Louis-Dreyfus and Amanda Peet take in a play at the Mark Taper Forum—it's all about having fun on a school night in L.A. and we have your insider's look in this installment of Last Night's Parties. More»