Meow! Miranda Kerr, Heather Graham, and More Celebrate Animal Print at the Opening of Roberto Cavalli's New Boutique

celebrated the opening of the Just Cavalli flagship boutique in New York City with a runway show of the brand's pre-fall 2014 collection. "Just Cavalli is so sexy, so young looking. I'm excited to see the young, bright American girls wearing Just Cavalli. They will understand it," designer Roberto Cavalli told InStyle.com.

were all smiles at the premiere of their new movie, 'August: Osage County' presented by The Weinstein Company in New York City. Roberts (in Proenza Schouler) was just nominated for a Golden Globe for her supporting role in the film, which also stars Meryl Streep, Ewan McGregor, and others. The film opens in theaters everywhere on December 25th.

was honored at the amfAR Los Angeles Inspiration Gala for her humanitarian work and her thirty year-dedication to the fight against AIDS. “I was very humbled and excited," Hawn said about being honored to InStyle.com.

also came out for the amfAR gala held at Milk Studios in Hollywood. Stone has long been amfAR’s auctioneer and has raised funds for the cause dedicated to the support of AIDS research.

hosted a holiday party at ABC Carpet & Home in New York City. Chung celebrated her new book 'IT' and also shared her holiday wish list with guests.

was honored at the 2013 Muse Awards in New York City presented by New York Women in Film amp Television. "It is such an incredible organization for women," Britton (in Joanna Johnston) said to InStyle.com. "It’s very important to get a very complex and specific voice of women out into the world, so having the support of women is vital to me." Ellen Barkin, Robin Wright, and others were also honored for their outstanding achievement in the media industry.

stepped our for Charlotte Ronson's holiday party held at RadioShack's pop-up shop in Times Square. The guest list also included the designer herself and Michelle Trachtenberg.

celebrated the premiere of their film 'Her' in Los Angeles. A pregnant Wilde (in David Koma) and Amy Adams (in Lanvin) also joined Joaquin Phoenix and director Spike Jonze at the event. The film opens everywhere on December 18th.

celebrated the premiere of their new film, 'The Hobbit: The Desolation of Smaug' in New York City, hosted by The Cinema Society and Moncler, where Lilly (in Paper London) and Bloom caught up with InStyle.com. “It took a couple of hours every day," Bloom said about getting his hair and makeup done on set. "I’m pretty good about sitting still, but I’m a bit of a fidgeter."

hosted the 20th annual Nobel Peace Prize Concert in Oslo, Norway with Aaron Eckhart in a stunning Valentino gown. The concert honored the Organization for the Prohibition of Chemical Weapons for their efforts in eliminating chemical weapons and featured performances by Mary J. Blige, James Blunt, and more.

stepped out to celebrate 100 of the most powerful women in the industry at The Hollywood Reporter's 22nd Annual Women in Entertainment Breakfast at the Beverly Hill Hotel. Williams (in Calvin Klein), Kim Kardashian, Jane Fonda, Ahna O'Reilly, Naya Rivera, and others were all in attendance.

reunited on the red carpet for the premiere of 'Anchorman 2: The Legend Continues' at Vue West End in London, England. Applegate (in Emilio Pucci) and the rest of the cast reprised their roles in the cult-classic film, which opens in theaters everywhere on December 18th.

came together for the MAC Cosmetics dinner hosted by John Demsey at Mr. Chow in New York City. The event celebrated Posen who was surrounded by his close friends including Thurman (in Zac Posen).

made a date night out of the 2013 Ripple of Hope Awards at the New York Hilton. The event was held in honor of the annual Robert F. Kennedy Center for Justice and Human Rights with special guests Matthew Broderick, Alfre Woodard, and more.

attended a special party for artist Donald Robertson (who is also an InStyle contributor!) hosted by John Demsey and Estée Lauder Companies to celebrate his artistic talent.

posed together on the red carpet for the Billboard Women In Music Awards at Capitale in New York CIty. Pink (in Herve Leger by Max Azria) and Monae were both honored with the Woman of the Year Award and Rising Star awards respectively for their contributions and success as recording artists in the music industry.

made an entrance at Chanel’s MetiersD’Art fashion show at Fair Park in Dallas, Texas. Stewart (in Chanel) also made headlines as news revealed that she will be the new face of Chanel's upcoming 2013/14 Metiers d’Art Paris-Dallas collection.

made everyone stop and stare as she attended the unveiling of Van Cleef & Arpels' re-designed 5th Avenue store located in a tri-level townhouse in New York City. Lively (in Marchesa) was joined by Dita Von Teese, Nicolas Bos, (Van Cleef & Arpels Global CEO & Creative Director), and Alain Bernard (President and CEO of the Americas).

celebrated the store opening of Basso's new flagship on Madison Avenue in New York City. Messing (in Dennis Basso) was also joined by Katie Couric, Brooke Shields, Olivia Palermo, and more as they toasted to the designer and his new 10,500 square-foot, four-story space.

celebrated the premiere of their new film, 'Saving Mr. Banks' at Walt Disney Studios in Burbank, California. Hanks plays Walt Disney in the film, which tells the story of Disney's battle in obtaining the rights to P.L. Traver's magical story about Mary Poppins. Farrell also stars in the film as Traver's beloved father, Travers Goff. The film opens in theaters on December 20th.

also came out to attend the U.S. premiere of Disney's 'Saving Mr. Banks' in Burbank, California. Thompson plays P.L. Traver, the author of 'Mary Poppins,' which Andrews famously portrayed in Disney's 1964 musical.

premiered their new movie, 'The Hobbit: The Desolation of Smaug' at the Sony Center in Germany. Lilly (in Alberta Ferretti) stars alongside Bloom in the second installment of ‘The Hobbit’ series which follows their characters, Legolas and Tauriel, along with the dwarves, Bilbo Baggins and Gandalf the Grey, as they fight to save their homeland from Smaug. The film opens in theaters on December 13th.

traded in a night of diapers for a night on the town at the TrevorLive Los Angeles Benefit, held at the Hollywood Palladium. Duhamel and Fergie (in Emanuel Ungaro) were among the guests there to honor Jane Lynch, who received the Trevor Hero Award for her efforts to bring awareness and understanding to the LGBTQ community. The event was held by The Trevor Project organization, which provides crisis intervention and support to LGBTQ youths.

attended the 2013 Kennedy Center Honors Gala at The John F. Kennedy Center for the Performing Arts in Washington, D.C. Kendrick (in Elie Saab) joined President Barack Obama and First Lady Michelle to honor Billy Joel, Shirley MacLaine, Carlos Santana, and others for their impact on American culture through the arts.

made a date night out of Ben Harper's private concert, UpLifting Los Angeles, in L.A. The concert benefited Lift Los Angeles, which helps community members achieve economic stability and well-being to fight poverty.

came out to present the Julianne Hough for Sole Society winter collection at Nordstrom at The Americana at Brand in Glendale, California. Hough (in Theory) designed the chic yet affordable shoe collection for the brand.

attended the 2013 March of Dimes "Celebration of Babies" event at the Beverly Hills Hotel in Los Angeles. Lopez (in Bibhu Mohapatra) received the 2013 Grace Kelly Award for her role as a celebrity parent who supports March of Dimes' mission to help women have healthy pregnancies. Lopez was joined by fellow Hollywood mothers like Reese Witherspoon (who received the award last year), Molly Simms, Tia Mowry, and more. The 8th annual event helped raise over $1,00,000.

stepped out for The Art of Fusion event during Art Basel Miami Beach, hosted by Hublot and Haute Living on Star Island. The event launched Hublot's "Caviar Tutti Frutti" watch and also benefited Alonzo and Tracy Mourning's organization, the Mourning Family Foundation, which provides opportunities to children and families in South Florida through education, enrichment, and advocacy.

came together for a private Lady Gaga concert presented by Belvedere Vodka, held at the members club Annabel's in London. Watson and Redmayne were joined by Adele, Bar Refaeli, Douglas Booth, and more.

arrived at KIIS FM's Jingle Ball presented by T-Mobile at the Staples Center in Los Angeles. Gomez performed for the annual holiday concert along with Miley Cyrus, Robin Thicke, Ariana Grande, and more. The concert also donated $1 of each ticket sold to the Ryan Seacrest Foundation, an organization that inspires young people through entertainment and education initiatives, including building broadcast media centers within pediatric hospitals for patients to explore.