Diane Keaton and John C. Reilly fete photographer Matthew Rolston's new book; Vera Farmiga and her "Bates Motel" costars spend an evening with The Paley Center; Halle Berry, Andy Garcia, and Julie Bowen help lead the way at the EIF Revlon Run/Walk for Women; Demi Lovato, Adam Levine, Britney Spears and dozens of other pop stars hit KIIS FM's Wango Tango; Tyler Perry, Angela Bassett and Lisa Vanderpump waltz through the CARRY Foundation's annual "Shall We Dance" Gala; John Legend joins Stevie Wonder for his 63rd birthday celebration—get caught up on the weekend's top happenings in this edition of Last Night's Parties.

In the spirit of our Valentine's Day hangover, here's a look at some of our favorite celebrity power couples that are no longer. Ya' know, because we can't get enough of these couples. Enjoy! More>>

In the spirit of Throwback Thursday, here's a look at some of our favorite celebrity power couples that are no longer. Ya' know, because it's Valentine's Day. Enjoy!

Elizabeth Banks, Diane Keaton, Mindy Kaling and other leading ladies of Hollywood celebrate Women In Entertainment with The Hollywood Reporter at the Beverly Hills Hotel; Keke Palmer and Jason Derulo help honor Nick Cannon at the APCH Gala; Drew Barrymore, Bella Heathcote, Brad Goreski and a slew of other stylish stars celebrate Nicola Bulgari's induction to Rodeo Drive's Walk of Style at the BVLGARI Boutique—Beverly Hills was popping off yesterday and we have the full rundown for you in this edition of Last Night's Parties.

Zoe Kazan and Paul Dano hit the Hamilton Behind the Camera Awards; Christina Hendricks and fellow "Mad Men" cohorts celebrate humanitarian efforts in Beverly Hills; Jennifer Aniston, Sean Penn, Robert Pattinson, Drew Barrymore and half of Hollywood honor Stanley Kubrick and Ed Ruscha with LACMA; Emma Roberts, Reese Witherspoon, Aziz Ansari and Anna Wintour welcome the new rag & bone flagship to Melrose; Leslie Mann, Judd Apatow and Michelle Pfeiffer raise funds for Cedars-Sinai Women's Cancer Program—it was another busy weekend in L.A. and we have the rundown on the top events for you in today's edition of Last Night's Parties.

When international film magazine Sight & Sound recently released the results of its 2012 Greatest Films of All Time poll, cinephiles everywhere found cause for controversy: for the first time in 50 years, Orson Welles' Citizen Kane did not snag the top spot. In honor of the poll, we're putting aside that film fodder and spotlighting classic movies with fashionable female leads - including Marilyn and Audrey, Judy Garland and Liz Taylor. And the best part of our round-up? We've come up with modern versions of these cinema styles, just in time for fall! More»

Women in Film Crystal + Lucy Awards brings out the likes of Meryl Streep, Viola Davis and Chloe Moretz among, some of Hollywood’s most iconic actresses; Katy Perry and Alicia Keys rock out at the City of Hope's Music And Entertainment Industry Group event to honor Bob Pittman; Selena Gomez and Larry David step out to support The Alliance For Children's Rights—it was a bustling Tuesday with various events across town and we have the details on what went down in this installment of Last Night's Parties. More»

Rachel Zoe helps Glamour promote advice at the launch party for their latest book release; Demi Moore is back from rehab and celebrates Amanda de Cadenet's Lifestime show with InStyle; Snoop Dogg and the Marley family unite forces for the premiere of a Bob Marley documentary; dogs take over the red carpet with Diane Keaton and Kevin Kline's film Darling Companion—we have the details on who partied where in L.A. Tuesday 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»

Dita Von Teese, Jenna Elfman and more hit Luis Barajas and Emmy Rossum's Winter feast/cocktail party; Starz! rolls out the black carpet for the premiere of new original series "Spartacus Vengeance" in Hollywood; John Baldessari, Joel Silver, and Diane Keaton step of for the debut of Rodarte's newest collaboration with LACMA; Steve Aoki has a record release party; Mr. & Mrs. Smith throw a chichi launch party for their new travel guide book at Soho House; the Winklevi turn up at Connor Cruise's 17th bday bash at the Clippers game—it was just another Wednesday night L.A., let's discuss in this edition of Last Night's Parties. More»