1 of 20
Talk about a star sighting! Taylor Swift, Allison Williams and Bryan Cranston pose for a photo during a workshop presentation of new Broadway musical Finding Neverland on Tuesday in New York City.
2 of 20
A LEG UP
Justin Theroux cracks a smile between takes while shooting HBO series The Leftovers Tuesday in Queens, N.Y.
3 of 20
4 of 20
Guess blondes really do have more fun! Costars Leslie Mann, Kate Upton and Cameron Diaz make for one cool crew on Tuesday at the Amsterdam premiere of their new film, The Other Woman.
5 of 20
6 of 20
RED-Y TO GO
There's a movie star in the midst! Idris Elba flashes his signature grin while attending the Advertising Week Europe conference in London on Wednesday.
7 of 20
8 of 20
What do you do when your phenomenally successful world tour is over? If you're Beyoncé, you join husband Jay Z on Tuesday at Brooklyn's Barclays Center to watch the hometown Nets outscore the Houston Rockets 105-96.
9 of 20
Justin Timberlake certainly isn't singing the blues Tuesday while performing at London's O2 Arena, the latest stop on his 20/20 Experience world tour.
10 of 20
11 of 20
GLEE FOR ALL
Darren Criss, Kevin McHale and Chord Overstreet put on their best sailor suits to film scenes for Glee in L.A. on Tuesday.
12 of 20
CALLING IT A DAY
Hugh Jackman arrives at his hotel looking like he's ready to kick back after spending Tuesday promoting his new film, X-Men: Days of Future Past, in London.
13 of 20
Prince Charles can't help but stifle a laugh as he meets a group of period storytellers dressed in traditional head-to-toe straw costumes during a Tuesday visit to a museum in Northern Ireland.
14 of 20
15 of 20
A newly single Nikki Reed takes her Tuesday step by step on a run through Los Angeles with her German shepherd.
16 of 20
Hey speed racer! Adrien Brody is feeling the need for speed Tuesday, gearing up for the 38th Annual Toyota Pro/Celebrity Race in Long Beach, Calif.
17 of 20
WALK THE WALK
Until she heads down the aisle, bride-to-be Olivia Palermo struts her stuff down the streets of N.Y.C. on Tuesday.
18 of 20
WHAT'S SO FUNNY?
Sam Claflin gets some support (and a good laugh!) from wife Laura Haddock at Tuesday's London premiere of his new horror film, The Quiet Ones.
19 of 20
Talk about star power! Captain America: The Winter Soldier costars Sebastian Stan and Chris Evans suit up alongside the superhero himself to ring the opening bell at the New York Stock Exchange on Tuesday.
20 of 20
IF LOOKS COULD KILL
Zoë Kravitz looks oh-so-fly while filming in a flight suit Tuesday on the Las Vegas set of Good Kill.
The Harvey Weinstein Scandal: All of the Hollywood Figures Who Have Spoken Out Against Movie Mogul
Kelsea Ballerini & Morgan Evans Took Shots at the Altar, Plus More Stars' Wedding Secrets
Star Tracks: Celebs on Social
Slime! Sheet Masks! and Even More Fads and Viral Moments That Dominated 2017
Celeb Quotes of the Day: Tom Hanks, John Stamos & More