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MARIAH'S BIG DEBUT
A glittering Mariah Carey is showered with confetti to celebrate the beginning of her Caesars Palace residency in Las Vegas on Monday.
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Look ma, no hands! Jared Leto shows off his electric-green hair – courtesy of his role as The Joker in Suicide Squad – as he rolls through Toronto on a bike on Sunday.
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House of Cards actors Robin Wright, Kevin Spacey and Michael Kelly put politics aside for a QampA and screening of their show in Beverly Hills on Monday.
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Actress Naomi Watts is more than red-y to hit the waves Monday during a vintage photo shoot for British Airways on a beach in L.A.
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TAKE A DIP
Simon Cowell stays in step with Katie Couric on Monday at the 2015 Yahoo Digital Content NewFronts in New York City, where the former American Idol judge announced his new show Ultimate DJ.
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Actor/director Robert Redford commands the crowd Monday as the night's honoree at the 42nd Chaplin Award Gala in New York City, where he reunited with this The Way We Were costar Barbra Streisand.
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In the crowd at the Chaplin Award Gala on Monday, Mad Men star Elisabeth Moss and fashion designer Zac Posen.
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Olivia Wilde and fiancé Jason Sudeikis cheer on the Brooklyn Nets during an NBA playoff game at N.Y.C.'s Barclays Center Monday night.
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The D Train costars James Marsden, Kathryn Hahn and Jack Black make a cute trio at the Banana Boat-sponsored premiere of their IFC film in Hollywood on Monday.
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ALL GROWN UP
She may be the youngest Olsen sister, but Elizabeth Olsen goes sophisticated during a visit to The Daily Show in New York City on Monday.
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ON THE RUN
Even mid-run, Megan Fox still looks fabulous! The actress sprints on the set of Teenage Mutant Ninja Turtles 2 in New York City on Tuesday.
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WOMAN'S BEST FRIEND
Sure, Emmy Rossum is extra-glam at LAX on Monday, but it's her adorable pup we can't take our eyes off of.
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IT'S A DATE
Sarah Silverman and boyfriend Michael Sheen get red carpet cute at the N.Y.C. premiere of his film Far from the Madding Crowd Monday night.
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Olivia Munn (and her floral romper) turns heads in West Hollywood on Monday night.
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SIPPIN' IN THE SUN
Vanessa Hudgens goes green – juice, that is! – with a furry friend by her side in New York City on Monday.
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SCENE AND BE SEEN
Castmates Tom Sturridge, Damian Lewis and John Goodman don their best evening attire Monday for an after-party following the press night performance of their play American Buffalo in London.
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DRIVING MR. DE NIRO
Zac Efron plays chauffeur to Robert de Niro on the Tybee Island, Georgia, set of their upcoming film Dirty Grandpa on Monday.
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HOLD ON TO YOUR HAT!
Jennifer Anniston keeps her cool accessory in place on Monday while leaving her New York City hotel.
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SOUND THE ALARM
Robert Downey Jr. and costar Jeremy Renner ring the New York Stock Exchange's opening bell to promote their film Avengers: Age of Ultron in N.Y.C. on Monday.
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CREATURE OF COMFORT
Dressed in sweats and an oversized blazer, Sarah Jessica Parker runs errands on Monday in N.Y.C.'s in SoHo neighborhood.
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TALK TO THE HAND
Salma Hayek waves to the crowd at the premiere of her animated film The Prophet in Beirut, Lebanon, on Monday.