Can't-Miss Celebrity Pics!

Michelle Williams brought cheer to Cantor Fitzgerald's trading floor in NYC on Thursday. The actress helped raise money at the financial firm's annual 9/11 charity event.

On Friday, Prince Harry made his way around the Invictus Games in London on a bike.

Kourtney Kardashian showed off her pregnancy glow in LA on Thursday.

On Thursday, Emma Stone dazzled next to the always-handsome Colin Firth at their Magic in the Moonlight premiere in Paris.

Victoria Beckham turned heads in London on Friday.

Nick Jonas brought big energy to the Peter Tunney gallery in NYC on Thursday.

Sofia Vergara got animated while filming a Modern Family scene with Ed O'Neill in LA on Thursday.

Mindy Kaling made a happy and snappy exit in NYC on Friday.

Harry Styles rocked the stage during his performance with One Direction at the Rose Bowl in Pasadena, CA, on Thursday.

Julianne Hough looked ready for her close-up outside the Jimmy Kimmel Live studio in LA on Thursday.

Sarah Jessica Parker had a pep in her step in NYC on Thursday.

Hugh Jackman smiled wide on The Tonight Show Starring Jimmy Fallon on Wednesday.

Robert De Niro and Anne Hathaway had fun with tai chi moves on the set of their upcoming movie, The Intern, in NYC on Wednesday.

Justin Theroux smoldered when he headed out in NYC on Wednesday.

Rachel Zoe and Rodger Berman held hands during their stroll in NYC on Thursday.

On Thursday, Khloé Kardashian let her smile and shirt do all the talking on her way to the gym in LA. The day before, reports about a split with French Montana emerged.

Kristen Wiig and Bill Hader joined forces at the premiere of their new movie, The Skeleton Twins, in LA on Wednesday.

Sarah Hyland sported a swimsuit beneath her robe on the set of Modern Family in LA on Wednesday.

Jessica Chastain and James McAvoy brought double the fun to a screening of The Disappearance of Eleanor Rigby in NYC on Wednesday.

Katharine McPhee made a picture-perfect arrival at Late Show With David Letterman in NYC on Wednesday. The actress is returning to TV with CBS's Scorpion.

Jessica Alba was pretty in pink in NYC on Wednesday.

Madonna chatted with Diplo, who is working on her forthcoming studio album, at designer Jeremy Scott's New York Fashion Week afterparty on Wednesday.

50 Cent and Sheryl Crow joined forces at the Feeding America event in Nashville on Tuesday.

Matt Damon was all smiles after stopping by the Come to Papa Live! radio show in LA on Tuesday.

Shakira got cute with Gerard Piqué while watching the Slovenia and USA battle it out at the FIBA Basketball World Cup in Barcelona on Tuesday.

David Beckham looked fresh faced at the signing of his coffee-table book Off Road/David Beckham at Belstaff's NYC store on Tuesday.

Carrie Underwood and her husband Mike Fisher joined Jake Owen and Lacey Buchanan at the ACM Honors in Nashville on Tuesday.

Amanda Seyfried kept it casual on the set of Ted 2 on Monday.

On Tuesday, Kristin Cavallari and Jay Cutler walked the red carpet at Michigan Avenue Magazine's Fall fashion issue celebration in Chicago.

Chelsea Clinton walked around the streets of NYC on Tuesday.

Mark Wahlberg showed off his muscles on the Boston set of Ted 2 Tuesday.

J Lo showed off her NYC pride in the Big Apple on Monday.

Zac Efron looked rough on set in LA Tuesday.

Lea Michele and her boyfriend, Matthew Paetz, held hands on a hike in LA on Sunday.

On Monday, Lily Allen lounged poolside in Miami.

On Monday, Robert Pattinson made his way into LAX.

Ashley Judd and Harry Connick Jr. posed on the blue carpet at the LA premiere of Dolphin Tale 2 on Sunday.

Serena Williams showed off her US Open trophy in NYC on Monday.

Gwen Stefani stepped out in LA after returning to the West Coast on Sunday.

Liev Schreiber rode his bike around NYC on Monday.

Eva Longoria cheered in the stands at the US Open on Sunday.

Diane Kruger had her hands full on the streets of NYC on Sunday.

Prince Harry posed with the New Zealand Invictus Games team in London on Monday.

David Beckham headed out of his NYC apartment on Tuesday.

Iggy Azalea and Nick Young attended a launch party for Calvin Klein's Reveal in NYC on Monday.

Joe Manganiello played with his Moto 360 smart watch in LA on Monday. Source: Michael Simon

Reese Witherspoon scored some endorphins during her run in LA on Thursday.