 Alexandra Wyman/WireImage |
Jessica Alba and Charlize Theron gathered at the Soho House in West Hollywood for Eve Ensler’s V-Day Cocktails and Conversation event, which The Vagina Monologues writer hosted to raise awareness about violence against women and girls. “Time to make a real difference! Follow/support @eveensler and @VDay,” Tweeted Theron. See more stars at last night’s hottest parties in the gallery!
 Lester Cohen/WireImage |
Taylor Swift and Zac Efron celebrated the premiere of Dr. Suess’ The Lorax in Los Angeles this weekend, as the pair lent their voices to a set of characters in the animated film. ”That movie is filled with adorable-ness,” Swift Tweeted after the premiere, where she walked an orange carpet in honor of the tangerine fictional character. “So lucky to have gotten to be a part of it.” See more celebrities at this weekend’s hottest parties in the gallery!
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 Jim Ruymen/Landov |
Jennifer Aniston greeted Malin Akerman with hugs and kisses at the Los Angeles premiere of their new film, Wanderlust. Our March InStyle cover girl departed from her signature LBD look for a chevron-printed Tom Ford strapless dress for her red carpet moment, while Akerman popped in a maroon and fuchsia Sonia Rykiel look. Their film, which also stars Paul Rudd and Aniston’s beau Justin Theroux, lands in theaters nationwide next Friday, February 24th. See more stars at last night’s hottest parties in the gallery!
 Chris Weeks/Getty Images |
Chloe Moretz and Liam Hemsworth struck a pose at Sony PlayStation’s Vita portable entertainment system launch party in Hollywood, where the pair tested the new gaming device. “Omg!!! I am in Love with the new #PlayStationVita!” Moretz Tweeted. See more stars at last night’s hottest parties in the gallery!
 Roger Wong/INFphoto.com |
Ashlee Simpson and Vincent Piazza celebrated Valentine’s Day at New York City’s Dream Downtown Hotel, where the couple checked out a performance from Band of Horses at Rag & Bone’s Fashion: Take Note party. Simpson wore a sparkly black dress and a striped clutch for her date night, while Piazza bundled up in a camel coat and striped tie. See more stars at last night’s hottest parties in the gallery!
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 RAMEY PHOTO |
Angelina Jolie celebrated her directorial debut with beau Brad Pitt (in Dolce & Gabbana) at the Berlin premiere of her film, In the Land of Blood and Honey. She chose a long sleeved Jenny Packham gown for the occasion, and accessorized with Vhernier jewels. “It’s pretty exciting,” Packham told InStyle.com of having Jolie in her design at her fall 2012 runway show during New York Fashion Week. “She likes a quite classic look, and the dress gave her that.” Agreed! See more stars at last weekend’s hottest parties in the gallery.
— Leah Abrahams, reporting by Nakisha Williams
 Stefanie Keenan/Getty Images |
New daddy (and RocNation founder) Jay-Z couldn’t make the party, but he still managed to draw a slew of supporters to his label’s annual pre-Grammy brunch at Hollywood’s Soho House, where guests like Corinne Bailey Rae and Katy Perry got a chance to relax before the big night. “I woke up with my hair like this,” said Rihanna (in Bottega Veneta) of her laid-back look. “I only wanted something on my lips and to put on a suit.” See more stars who made the most of the music industry’s biggest weekend in the gallery now.
— Bronwyn Barnes, with reporting by Lindzi Scharf and Andrea Simpson
 Todd Williamson/Getty |
After the last trophy was handed out at the Staples Center, Fergie, Lana Del Rey, John Legend and more of the industry’s hottest stars made a beeline to the famed Chateau Marmont Hotel for a post-Grammy bash hosted by the Warner Music Group and InStyle. “This party is so crowded!” declared Blake Shelton (in Ermenegildo Zegna), who made the rounds with wife Miranda Lambert (in Atelier Pavoni). After stopping by the Champagne Bar for a glass of Beau Joie bubbly, guests rocked out to a performance by Bruno Mars. Luckily for late arrivals like Paul McCartney, the dance floor stayed open well into the early hours of the morning. See more party photos in the gallery!
— Bronwyn Barnes, with reporting by Lindzi Scharf
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