Celebrity Parties: February 21 to February 27, 2014

celebrated at unite4:good and Variety’s unite4:humanity Gala, where Gomez was honored with the Young Visionary Award for her work philanthropy work. "My family taught me to give back before we ever had anything," Gomez says.

also attended the unite4:good and Variety’s unite4:humanity Gala, where Lovato was honored with the Young Luminary Award and also performed. "Sometimes it feels like we’re the only ones holding down the fort," Selena Gomez states of Lovato, when touching on young people being of service.

attended Hollywood Domino's 7th Annual Pre-Oscar Charity Gala benefitting Artists for Peace and Justice in West Hollywood, California. "My favorite part is that it has a pocket!," Beckinsale tells InStyle of her Dior dress.

cozied up at the Vanity Fair Campaign Hollywood: Chrysler Toasts The Cast Of American Hustle event, where Adams celebrated her Oscar nomination alongside her fellow cast-mates.

attended The Lourdes Foundation's Leadership in the 21st Century event at the California Science Center with Ann Curry, where His Holiness the 14th Dalai Lama made a special appearance.

was a sight to see in a House of Ronald frock at the LoveGold Cocktail Party in LA, which also honored Academy Award nominee Lupita Nyong'o.

stepped out for the premiere of Wes Anderson's new film, 'The Grand Budapest Hotel' at the Alice Tully Hall in New York City. Ronan (in Proenza Schouler) stars opposite of Tilda Swinton, Bill Murray, Ralph Fiennes, Adrien Brody, and more in the comedic film, which opens in theaters on March 7th.

previewed her latest album, 'Head Or Heart' at Bar Nana in New York City with Atlantic Records and MinkPink. Perri not only preformed new songs, but her previous hits including "A Thousand Years."

came together for the first annual Luncheon to Honor the Female Nominees of the 86th Oscars. Hathaway (in Diane von Furstenberg) hosted the event along with DVF and Willow Bay at The Future Home of The Academy Museum of Motion Pictures, where they honored the nominated women in film.

sat pretty at the Bulgari "Decades of Glamour" event at Soho House in West Hollywood. "I've been friends with Bulgari now for a couple years and I have always admired their stuff," says host Watts (in Altuzarra). Hudson (in Emilio Pucci), Watts, and guests donned various Bulgari pieces in honor of the event.

stepped out in a satin wrap J. Mendel dress and Bulgari earrings for the "Decades Of Glamour" event. Aside from mingling with fellow guests—including Olivia Munn and Camilla Belle—Rossum tells InStyle.com she was particularly excited for "drinking and jewelry!"

made an appearance to the Bulgari event wearing a black Dsquared2 dress paired with the jeweler's earrings. "I wanted it to be classy and the dress has a more mature bust line so I wanted to wear something from Bulgari that was fun and young," Greene tells InStyle.com.

came together for the Vanity Fair, Fiat, and Campaign Hollywood's celebration of "Young Hollywood" at No Vacancy cocktail bar in Hollywood. Jordana Brewster, Rumer Willis, Zoe Kravitz and more also joined Manning (in Cameo and Alice + Olivia) and Shipka (in Christian Dior) at the event.

made a fashionable statement at the Maybelline New York and The Daily Front Row's Fashion & Hollywood Luncheon held at Cecconi's in West Hollywood. Naomie Harris and more also attended the event.

shared a laugh during the premiere of their new film, 'Non-Stop' at the Regency Village Theatre in California. Moore (in Prabal Gurung) stars in the thriller based on an U.S. air marshal (Neeson) who ends up protecting a transatlantic flight after passengers are threatened. The film opens in theaters on February 28th.

couldn't help but smile during the 'Non-Stop' premiere in California. Dockery (in Christian Dior) and Nyong'o (in Lanvin) both star in the airplane thriller as flight attendants opposite of Liam Neeson and Julianne Moore.

proved that black is here to stay with her Zuhair Murad LBD at the annual Vineyard Theatre Gala held at The Edison Ballroom in New York City.

attended the 16th Costume Designers Guild Awards in a Kristin Burke design, where the actress was honored with the Lacoste Spotlight Award, which honors an actor whose talent and career personifies an enduring commitment to excellence, including a special awareness of the role and importance of costume design. "I worked with Kristin on several films, and I asked her if she would do me the honor of designing my dress this evening," Adams tells InStyle at the event.

made an appearance at the 2014 LA Italia Film Festival Opening Night in Los Angeles, where Harris donned a Cushnie et Ochs dress.

celebrated at the 45th NAACP Image Awards in Pasadena, California. Elba was nominated for "Outstanding Actor in a Motion Picture" for 'Mandela: Long Walk to Freedom' and Nyong'o (in Givenchy) won "Outstanding Supporting Actress in a Motion Picture" for '12 Years A Slave,'

also got cozy at the the 45th NAACP Image Awards, proving the 'Scandal' co-stars have love for each other on and off screen. Washington (in Thakoon) won the award for "Outstanding Actress in a Television Drama Series" for her role on the show.