Can't-Miss Celebrity Pics!

Scarlett Johansson smiled wide during Oscars rehearsals backstage at the Dolby Theatre in LA on Thursday.

Kristen Stewart grabbed a meal in Paris on Thursday.

Hugh Jackman had some pep in his step in London on Friday.

FKA Twigs put on a dramatic show in London on Thursday.

Karlie Kloss touched down at LAX on Thursday.

Serena Williams worked up a sweat while training in Saint-Raphaël, France, on Wednesday.

BFFs Minka Kelly and Mandy Moore scored some retail therapy in LA on Thursday.

Ali Larter, who recently gave birth to her second child, ran errands in LA on Friday.

Hilary Duff looked ready for the gym in LA on Friday.

Nikki Reed and Nate Berkus couldn't contain their giggles at a Thursday night event in NYC.

Pink attended the second annual Unite4: Humanity event on Thursday in LA.

Adam Scott and Chris Pratt got silly at the premiere of Hot Tub Time Machine 2 in LA on Wednesday.

Kate Hudson looked fresh faced after touching down at LAX on Thursday.

On Wednesday, Emily Blunt and John Krasinski turned the Vanity Fair and Barneys event for OXFAM in LA into a date night.

Mila Kunis stopped by a yogurt shop in LA on Thursday.

On Thursday, Dakota Johnson and Julianne Moore were on the same flight from NYC to LA.

Kelly Clarkson was all smiles outside Capital FM Studios in London on Thursday.

Jaime King had a big smile on her face on Thursday, the same day she shared her pregnancy announcement.

Maggie Grace and Matthew Cooke celebrated their engagement with a trip up the red carpet at Global Green USA's pre-Oscars event in LA on Wednesday.

Peter Sarsgaard and Maggie Gyllenhaal stayed close at Miu Miu Women's Tales 9th Edition De Djess screening in NYC on Wednesday.

Reese Witherspoon was on the move in LA on Wednesday.

Eva Mendes had a 50s look while filming a commercial in NYC on Wednesday.

Kristen Stewart arrived at LAX on Wednesday.

Kate Middleton was all smiles during a Wednesday visit to the Cape Hill Children's Centre in Smethwick, England.

Kesha stepped out of her NYC hotel on Wednesday.

Josh Duhamel hopped onto the set of Extra on Wednesday.

On Wednesday, Zoe Kravitz was oozing glamor at the NME Awards in London.

Cinderella co-stars Lily James and Richard Madden cozied up at a Wednesday evening screening in Milan, Italy.

Mindy Kaling stepped out in style for the Costume Designers Guild Awards in LA on Tuesday.

Chrissy Teigen swept through New York Fashion Week on Tuesday.

Julia Roberts filmed an emotional scene with Chiwetel Ejiofor on Tuesday in LA.

Dakota Johnson made a fashionable Tuesday outing in NYC.

Kelly Clarkson popped up at London's BBC Radio 1 studios on Tuesday.

Taylor Swift looked ready to take her Tuesday by storm in NYC.

Charlize Theron and Sean Penn stunned at the premiere of The Gunman in London on Monday.

Following Lady Gaga's engagement to Taylor Kinney, the singer hid her ring during a stroll in NYC on Monday.

Idris Elba brought his hot looks to the premiere of The Gunman in London on Monday.

Prince Harry showed off his skiing skills in Switzerland on Monday.

Christina Aguilera performed at the 64th NBA All-Star Game in NYC on Sunday.

Actor Alex Pettyfer went shirtless in Miami on Saturday.

Jay Z chatted up LeBron James courtside at the the 64th NBA All-Star Game in NYC on Sunday.

Kim Kardashian was dressed to impress in NYC on Sunday.

Focus costars Margot Robbie and Will Smith lit up the stage at the 65th Festival di Sanremo in San Remo, Italy, on Saturday.

Zoe Saldana and Marco Perego held hands in LA on Sunday.

Reese Witherspoon went shopping in LA on Monday.

Ashlee Simpson covered up her baby bump while out and about in LA with Evan Ross on Saturday.

Hilary Duff rocked ripped jeans in LA on Monday.

Ariana Grande and Nicki Minaj hit the stage together at the 64th NBA All-Star Game in NYC on Sunday.

Jennifer Lawrence was in costume on the set of Joy in Boston on Thursday.