This week, Katy Perry [1] popped up in Perth for a Friday night performance, while Ben Affleck [2] proved he's still rocking his superfit Batman body. In other fun moments, Beyoncé was back on the red carpet on Tuesday, while Kerry Washington [3] and Naomi Campbell [4] were all smiles at the 2014 ACE Awards in NYC on Monday. They weren't the only stars making smiley appearances, though; Anne Hathaway [5] also stepped out in the Big Apple, where she and her Interstellar costar Matthew McConaughey [6] hit the red carpet for the film's NYC premiere. See all that and more with this week's best celebrity snaps!
Victoria Beckham [7] emerged for a fashionable Friday in London.
Eddie Redmayne suited up for the Thursday night premiere of The Theory of Everything in Washington, D.C.
Jennifer Lopez [8] was a vision in white on Thursday night in NYC.
Joe Manganiello stopped by the launch of the MB Chronowing Smartwatch on Thursday in LA.
Kate Beckinsale [9] made a flawless Thursday night red carpet appearance for the LA launch of the Frank Gerhy designed Battersea Power Station.
Kim Kardashian [10] faded to gray in NYC on Friday.
On Friday, Katy Perry [11] took the stage in Perth.
Ben Affleck [12] showed off his physique on Thursday in LA.
Prince Harry slipped into his uniform for a visit to Westminster Abbey's Field of Remembrance on Thursday in London.
Jessica Alba [13] was all smiles in LA on Thursday.
Toni Garrn dressed down on Thursday for the launch of her new collection in Germany.
Khloé Kardashian hung out with Santa Claus and Shrek in LA on Thursday.
Karolina Kurkova let out a laugh at Thursday night's GQ Men of the Year Awards in Germany.
Kate Moss [14] and Cara Delevingne made for a fierce pair at a Thursday Burberry event in Paris.
Gisele Bündchen [15] strutted her stuff on the runway on Monday in Sao Paulo, Brazil.
Margot Robbie and Suki Waterhouse posed together at Harper's Bazaar's Women of the Year awards on Tuesday night in London.
Mario Lopez got adorable with his daughter Gia at the premiere of Disney's Big Hero 6 in LA on Tuesday.
Busy Philipps and Camila Alves amped up excitement for the Annie for Target collection at the launch event in NYC on Tuesday.
Sofia Vergara donned a diamond on her ring finger during a stroll on the set of Modern Family in LA on Tuesday.
Anna Faris [16] and Allison Janney couldn't hide their enthusiasm while announcing the nominees for the 2015 People's Choice Awards with Dylan McDermott in LA on Tuesday. The duo's CBS show Moms nabbed a nomination.
Damon Wayans Jr. and his dad, Damon Wayans, attended the afterparty for the Big Hero 6 premiere in LA on Tuesday.
Cara Delevingne supported the grand opening of Topshop's new flagship store in NYC on Wednesday.
Anne Hathaway [17] broke out in laughter on the set of Good Morning America in NYC on Wednesday.
Kelly and Ozzy Osbourne brought their hilarious daughter-father dynamic to the Classic Rock Awards in LA on Tuesday.
Stacy Keibler went for a workout in Beverly Hills, CA, on Wednesday.
Nick Jonas [18] performed at the Gramercy Theatre in NYC on Tuesday.
Jamie Chung and Maya Rudolph snapped a selfie at the Tuesday night premiere of Big Hero 6 in LA.
Jeff Daniels, Olivia Munn, Sam Waterston, Alison Pill, and Dev Patel popped up at the LA premiere of The Newsroom on Tuesday.
Tiffani Thiessen and Luke Perry paired up at a Tuesday night Hallmark event in LA.
Hilaria Baldwin brought her baby girl, Carmen, to the NYC Target launch event for Annie.
Angelina Jolie [19] and Brad Pitt [20] filmed a car scene for their upcoming movie By the Sea in Malta on Monday.
Lady Gaga [21] wore a gray wig in Milan, Italy, on Tuesday.
Keith Urban [22] and Nicole Kidman [23] cozied up to each other at Nashville's BMI Country Awards on Tuesday night.
On Tuesday, Beyoncé was practically glowing at the opening of Topshop's NYC flagship store.
Ansel Elgort towered over Ben Stiller [24] at the CFDA/Vogue Fashion Fund Awards in NYC on Monday night.
Channing Tatum [25] showed off his muscles and his tan while filming Magic Mike XXL in South Carolina on Tuesday.
Jennifer Lopez [26] showed a little leg on Tuesday while promoting her book in NYC.
Jay Z and Beyoncé sat courtside at a Brooklyn Nets Game on Tuesday night in NYC.
Julie Bowen went for a run around LA on Tuesday morning.
Taylor Swift [27] greeted hundreds of fans at the Tokyo airport with a smile on Tuesday.
Anne Hathaway [28] stunned at the Interstellar premiere in NYC on Monday.
Khloé Kardashian posed for pictures on Monday at the launch of Hpnotiq Sparkle in LA.
Models Alessandra Ambrosio and Lily Aldridge stepped out in style for the 11th annual CFDA/Vogue Fashion Fund Awards in NYC on Monday.
Matthew McConaughey [29] hit the red carpet with Camila Alves at the NYC premiere of Interstellar on Monday.
Dumb and Dumber To's Jim Carrey [30] and Jeff Daniels joked around at the film's LA premiere on Monday.
Kerry Washington [31] and Naomi Campbell [32] linked up at the 2014 ACE Awards in NYC on Monday.
Robert Pattinson [33] was all smiles as he walked around Toronto on Tuesday.
On Wednesday, Jennifer Lopez [34] greeted fans in NYC before shooting her appearance on the Late Show With David Letterman.