Reese Witherspoon  flashed a megawatt smile when she ran errands in Beverly Hills on Thursday. Elsewhere, her friend Matthew McConaughey  and his wife, Camila Alves, arrived in NYC together, and Ryan Reynolds  donned a pair of spectacles for a day on the set of Mississippi Grind in New Orleans. Keep reading to see Ryan's geek-chic moment, Reese's fashionable day out, and more great celebrity pictures from the week so far.
On Thursday, Ryan Reynolds  wore a pair of glasses while hanging out on the set of Mississippi Grind in New Orleans.
Orlando Bloom  carried Flynn on his shoulders when he landed in LA on Thursday.
On Thursday, Harry Styles landed in LAX without his One Direction bandmates.
Chrissy Teigen and John Legend  took their dog for a walk on the beach in Miami on Thursday.
Anne Vyalitsyna put her bikini body on display on Wednesday, when she hit the beach in Miami.
Kate Mara took a walk in NYC on Thursday.
Matthew McConaughey  and Camila Alves arrived at their hotel in NYC on Thursday.
Emma Watson  stepped out for the Elle Style Awards in London on Tuesday.
Angelina Jolie  and Brad Pitt  wore matching tuxedos at the 2014 BAFTAs on Sunday.
Eva Longoria  kissed Jose Antonio Baston during a Sunday lunch date in Santa Monica.
On Thursday, Jennifer Lopez , Keith Urban , and Harry Connick Jr. hosted a party for the American Idol finalists in LA.
Kim Kardashian  braved the cold on Sunday in NYC.
Lady Gaga  left a filming of The Tonight Show Starring Jimmy Fallon  in NYC on Tuesday.
Jimmy Fallon  held a briefcase while walking his dog on Sunday in NYC.
Sofia Vergara filmed Modern Family in Sydney on Thursday.
Brad Pitt , Angelina Jolie , and their son Maddox Jolie-Pitt touched down in LA on Monday.
Ellie Goulding, Katy Perry , and Lorde took over the DJ booth at a Brit Awards afterparty in London on Wednesday.
Cate Blanchett  arrived in Sydney on Tuesday.
Usher  wore a fur hat when he arrived at LAX on Thursday.
Bradley Cooper  walked the red carpet at the 2014 BAFTAs with David O. Russell on Sunday.
Sports Illustrated cover girls Chrissy Teigen, Lily Aldridge, and Nina Agdal hosted a party in Miami on Wednesday.
Johnny Depp  received the distinguished artisan award at the Make-Up Artists and Hair Stylists Guild Awards in LA on Saturday.
Harry Styles hit the Burberry  Prorsum show at London Fashion Week on Monday.
Julianne Hough stepped out with her new boyfriend, Brooks Laich, in Hollywood on Monday.
Reese Witherspoon  looked ready for business when she went on a Thursday errand run in Beverly Hills.