Can't-Miss Celebrity Pics!

Updated on 3/27/2015 at 5:45 PM

Olivia Munn and Aaron Rodgers watched the Wisconsin Badgers play against the North Carolina Tar Heels at LA's Staples Center on Thursday night. The pair seemed completely engrossed and even a little bit nervous as they watched the action unfold. In other fun moments this week, Katy Perry snapped selfies with fans, Venus and Serena Williams balanced their sibling rivalry with smiles, Will Ferrell had an adorable moment with his wife and kids, and Naomi Watts and Liev Schreiber watched tennis in style. Keep reading to see how stars spent the week.

Naya Rivera and Ryan Dorsey stepped out together in LA on Friday.

Olivia Wilde hustled through the streets of NYC on Friday.

Jimmy Fallon cuddled up to his wax figure in NYC on Friday.

On Friday, Idris Elba looked rather dapper on the London set of Luther.

Kate Middleton made her final appearance with Prince William by her side on Friday in London.

Alexa Chung strutted her stuff for a Friday photo shoot in Miami.

Olivia Munn and Aaron Rodgers were engrossed in a Thursday night basketball game in LA.

Game of Thrones actress Maisie Williams made her way through LAX on Thursday.

On Thursday, Ben Affleck spoke during the Senate Appropriations Subcommittee.

Bella Thorne wasn't afraid to show midriff at the New York Spring Spectacular at Radio City Music Hall on Thursday.

Hilary Duff ran errands in LA on Thursday.

Paris Hilton stepped outside her Miami hotel on Thursday, wearing a pair of cat ears.

Katy Perry stopped to snap a selfie with fans at the Thursday night screening of Katy Perry: The Prismatic World Tour in LA.

Will Ferrell had the loving support of his family — including wife Viveca Paulin and children Magnus, Mattias, and Axel Ferrell — when he received his star on the Hollywood Walk of Fame on Tuesday.

Hilary Duff proved she's not in any rush to go back to blond when she stepped out in LA on Tuesday.

Jon Hamm touched down at LAX on Tuesday, the same day the Mad Men actor announced that he recently completed rehab for alcohol abuse.

Minka Kelly's mood was infectious when the actress stepped out in LA on Tuesday.

Despite those good looks, Benedict Cumberbatch blended in during a stroll in London on Wednesday.

Rita Ora took on London nightlife and a Charli XCX concert with pals on Wednesday.

Sisters Venus and Serena Williams had a friendly competition going during the All-Star Tennis Charity Event at the Ritz Carlton in Key Biscayne, FL, on Tuesday.

Khloé Kardashian kept it casual in Beverly Hills, CA, on Tuesday.

Gwen Stefani was on the move during her Wednesday errands in LA.

Christie Brinkley flaunted her sexy stems in NYC on Tuesday.

Elizabeth Hurley looked flawless at the premiere of The Royals in London on Tuesday.

Emilia Clarke and Kit Harington smoldered at the fifth season premiere of HBO's Game of Thrones in San Francisco on Monday.

On Monday, Miranda Kerr turned the pier into a catwalk in Malibu, CA, where she had a photo shoot.

Naomi Watts and Liev Schreiber sipped on Champagne at the BNP Paribas Open in Indian Wells, CA, on Sunday.

Jennifer Lopez soaked up the spotlight while promoting her clothing line in Mexico City on Monday.

Singer Maxwell took a smiley dip in the ocean in Miami Beach, FL, on Saturday.

Lea Michele let out a laugh on the set of Scream Queens in New Orleans on Tuesday.

You could totally feel Rumer Willis's confidence when she popped up in her Dancing With the Stars costume on the show's set in LA on Monday.

Paris Hilton took a break from her spinning duties to talk to partygoers at Cavalli Miami in Miami Beach, FL, on Monday.

Ben Stiller filmed an extravagant scene for The Late Show With David Letterman in NYC on Monday.

Amanda Seyfried showed off a stylish look at the premiere of While We're Young in NYC on Monday.

Ed Westwick looked sharp on the set of L.A. Crime, his new pilot for ABC, in LA on Wednesday.

Olivia Munn