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.

Johnny Depp, Katy Perry, Selena Gomez, Kristen Stewart and many other young faces in Hollywood attend Nickelodeon's Kids' Choice Awards; Solange performs at the Diesel + Edun Studio Africa event at Ron Herman; Kerry Washington and Lance Bass are among the guests at the Human Rights Campaign Los Angeles Gala Dinner; Brad Goreski and Whitney Port sit on a panel at the 2nd Annual Simply Stylist L.A. fashion and beauty event; Chloe Sevigny, Alexander Skarsgard, Jeffrey Deitch and a slew of others join Olivier Zahm for a Purple Magazine party—get caught up on L.A.'s top weekend events in today's edition of Last Night's Parties.

Adrian Grenier, Heather Graham and more celebrate next month's Tribeca Film Festival; Gerard Butler, Aaron Eckhart, Ashley Judd and Morgan Freeman hit the red carpet at the premiere of Olympus Has Fallen; Emilia Clarke, Peter Dinklage, Lena Headey and other stars of HBO's "Game of Thrones" step out for the Season 3 premiere; Ryan Seacrest, Emmy Rossum, Nikki Reed and more join Justin Timberlakee at his 20/20 album release party—Monday was buzzing with star-studded events and we have the rundown on them all in this installment of Last Night's Parties.

Last night in NYC, Gerard Butler parties with his co-star Angela Bassett at the premiere of their new film "Olympus Has Fallen," the Koch family steps out for The School of American Ballet's 2013 Winter Ball, Theophilus London, Coco Rocha, and Hilary Rhoda hang out at MADE Fashion Week for Macy’s Impulse launch party at Milk Studio, and so much more!

Last night in NYC, Carine Roitfeld celebrated the launch of CR Fashion Book Issue 2 with an intimate preview at Casa Lever, Oprah and Jay Z joined Beyonce at the premiere of her new documentary "Beyonce: Life Is But A Dream," Chloe Sevigny, Theophilus London, and Olivier Zahm partied at the Top of the Standard for Purple Fashion Magazine's annual bash, and so much more!

[Joey Jalleo, Peter Som] [Christine Kaculis] [Padma Lakshmi] [Peter Davis]

Last night in NYC, Julie Ragolia, Claire Distenfeld of Fivestory, and the designers of Bespoken celebrated the launch of Julie Ragolia for Senhoa, Padma Lakshmi and Peter Som stepped out onto the Standard Ice Rink for some curling at the “Clicquot in the Snow” party, and so much more!

Jay-Z, Kanye West, Beyonce and others win big at the 2012 BET Awards; music exec Kevin Liles throws a pre-BET Awards pool party with guests Trey Songz and and Estelle; Russell Brand, Sarah Silverman, Jerry Seinfeld and more raise funds for the David Lynch Foundation; Christina Milian, Meek Mill, Tyga and more celebrate the BET Awards with the Cash Money family; SRC Records honor Melanie Fiona with a pre-BET Awards party; BET CEO Debra Lee takes over Union Station for a pre-awards show bash with live music by Luke James and Q-Tip among others—L.A. was buzzing with industry events all over town this weekend and we have the details on it all in today's installment of Last Night's Parties. More»

Last night in NYC, the Brooklyn Museum hosted their annual gala, The Brooklyn Artists Ball, father-daughter duo, Claire and Fred Distenfeld celebrated their grand opening of Fivestory, Emily Blunt stole the limelight in her Jason Wu gown at "The Five Year Engagement" premiere, Chloe Sevigny and Michelle Harper were out late celebrating the power of creation at Acme, and so much more. Last night's parties were all about celebrating in style. More»

Last night in NYC, Clive Owen and Ludacris attend the screening and after party of "Intruders," Beyonce, Tina Knowles, and mother-in-law, Gloria Carter join First Lady Michelle Obama at the Obama fundraiser in Tribeca, Anna Sui, Phillip Lim, and Anna Sui attend the Asia Society's benefit gala, Alina Cho celebrated her birthday at the 3rd annual Pisces party with Carolina Herrera and John Demsey, Rose Bar sessions presented The Head And The Heart at the Gramercy Park Hotel, and so much more. Last night's parties were all about supporting your friends! More»

Last night, Meryl Streep's Oscar-buzzed film The Iron lady premiered, Jeremy Scott, Nicky Hilton and Whitney Port had an intimate dinner for the launch of Very.com, Glenn Close debuted Albert Nobbs, New Yorkers joined Tory Burch for a children's benefit and so much more.  Last night's parties were all about movie premieres.

Last night Naomi Campbell was honored at The Gabrielle Foundation's Angel Ball at Cipriani Wall Street, Mary Kate Olsen stopped by The New York Academy for Art Take Home A Nude Auction at Sotheby's, Russell Simmons attended the Third Annual Caron Renaissance Save A Life Event and so much more. Last night's parties were all about the art!

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