1 of 15
2 of 15
Brace yourself, Australia! Justin Bieber cools off with a refreshing dip Saturday in Sydney, where his concert tour Monday was canceled due to fandemonium overload.
3 of 15
4 of 15
Kirsten Dunst beams brightly for the cameras Friday before premiering her directorial debut, Between the Lines, at the Tribeca Film Festival in New York City.
5 of 15
Quite a Gem
Kim Kardashian promotes her and her sisters' VSA (Virgins Saints and Angels) jewelry line at Nordstrom in Newport Beach, Calif. Also over the weekend, the Kardashian ladies celebrated Kourtney's 31st birthday at Wet Republic in Vegas.
6 of 15
Just Another Day
Fresh off their family vacation, Liev Schreiber and Naomi Watts check out the Tribeca Film Fest debut of Every Day over the weekend.
7 of 15
Reese Witherspoon – with her pooch in tow – and love interest Jim Toth stroll through Los Angeles Saturday afternoon.
8 of 15
Kiss and Tell
Zach Braff puckers up for photographers at the Heineken party for Ed Burns's film Nice Guy Johnny during the Tribeca Film Festival.
9 of 15
10 of 15
11 of 15
Nicole Kidman, with daughter Sunday, 1½, says aloha to the Hawaiian sunshine Thursday while taking a break from shooting her latest film, Just Go With It, in Maui.
12 of 15
Has she met her match? Tina Fey cozies up to Disney's funniest pup, Goofy, while relaxing with her family at Walt Disney World in Lake Buena Vista, Fla., on Friday.
13 of 15
Life's a beach for Beyoncé! The RampB diva shakes off the sand Thursday during a family vacation with husband Jay-Z (not pictured) in Hawaii.
14 of 15
ORANGE YOU GLAD?
Let's see those pearly whites! Melissa Rycroft and Joey Fatone say cheese – and oranges! – while promoting Smile Train's World Smile Search in New York City on Friday.
15 of 15
She's got that post-workout glow! New mom Gisele Bündchen flaunts her famous figure Friday after leaving a gym in Los Angeles.
Naomie Harris Makes a Splash, Plus Octavia Spencer, Vin Diesel & More
All About Fentanyl, the Drug That Killed Prince and Tom Petty — and Is Sweeping the U.S.
From Kanye & Chance to Barack & Michelle: Celebrities Who Hail from Chicago
14 Times Chrissy Teigen Was Almost Too Hot for Instagram
Star Tracks: Celebs on Social