1 of 18
Brad Pitt braves the lights, camera and rambunctious crowd Monday at the New York City premiere of his zombie action flick World War Z, which opens in theaters Friday.
2 of 18
What's so funny? Paul Rudd and Julianna Margulies keep the good times rolling in N.Y.C. at their Monday benefit reading of Neil LaBute's play The Mercy Seat.
3 of 18
BIG FRIENDLY MONSTERS
Rocker mom Gwen Stefani and hubby Gavin Rossdale look too cool for school as they take lucky sons Zuma, 4½, and Kingston, 7, to the world premiere of Monsters University in Los Angeles on Monday.
4 of 18
We see you! Sandra Bullock continues promoting The Heat abroad on Tuesday, getting goofy during a photocall in Berlin, Germany.
5 of 18
Don't look down! Taylor Lautner reaches new heights on Tuesday while filming his latest thriller, Tracers, in New York's Riverside Park.
6 of 18
7 of 18
RUN, COLIN, RUN
Blink and you'll miss him! A shirtless Colin Farrell stays up to speed in Hollywood, where he pounds the pavement on Monday.
8 of 18
PLANE & SIMPLE
It's go time for a travel-ready Reese Witherspoon and 9½-year-old son Deacon, who make their way through Los Angeles International Airport on Monday.
9 of 18
Eric Bana and Olivia Munn put on their happy faces Monday while shooting their new film, Beware the Night, in New York City.
10 of 18
Ricky Martin keeps a hold on his little travelers, 4½-year-old twin sons Matteo and Valentino, while making his way through Sydney Airport in Australia on Tuesday.
11 of 18
12 of 18
Costars Michael B. Jordan and Melonie Diaz light up the red carpet during the Los Angeles Film Festival premiere of their new film Fruitvale Station Monday night.
13 of 18
A white-hot Rosie Huntington-Whiteley contrasts suit-clad beau Jason Statham at the London premiere of his latest movie, Hummingbird, on Monday.
14 of 18
15 of 18
WHAT A STEEL!
It's a family affair for Superman stud Henry Cavill, who hangs tight with on-screen dad Russell Crowe at Monday's Madrid premiere of their film, Man of Steel.
16 of 18
DAY & KNIGHT
All eyes are on Queen Elizabeth as three smiling generations of royals (including son Prince Charles and grandson Prince William) attend the Most Noble Order of the Garter service at England's Windsor Castle on Monday.
17 of 18
ON THE BRIGHT SIDE
What zombie pandemic? Mireille Enos keeps it sunny and smiley while promoting World War Z on Monday's Good Day New York.
18 of 18
WATCH & LEARN
The Obama women – First Lady Michelle and daughters Sasha, 12, and Malia, 14 – take a tour of Trinity College's Old Library with the school's provost during a visit to Dublin on Monday.
Oscar Isaac Marks Human Rights Day with a Plea to End ‘Genocide and Mass Atrocities’
Star Tracks: Celebs on Social
9 Times Celebs' Relationship Drama Played Out on Social Media
Meghan Markle, Cardi B and More of 2017's Most Intriguing Celebrities
Celeb Quotes of the Day: Gwen Stefani, Taylor Swift & More