Kristen Stewart  stunned everyone with a bold new look  on Tuesday when she showed off her orange bob haircut  at Haute Couture Fashion Week in Paris. Other celebrities also had fun at the shows in the City of Light this week, like Jennifer Lawrence and Emma Watson  and Kim Kardashian and Kendall Jenner . Elsewhere, Jessica Alba showed off her bikini body , Josh Duhamel  dressed up as a bunny , and Prince William went scuba diving . Keep reading to see all of that and more can't-miss celebrity pictures.
On Wednesday, Kim Kardashian  was covered by an umbrella at the Valentino show at Haute Couture Fashion Week in Paris.
Jennifer Lawrence and Emma Watson  had fun at Christian Dior 's Haute Couture Fashion Week show on Monday in Paris.
Josh Duhamel played basketball in a bunny suit  on Wednesday in Venice Beach, CA.
Jessica Alba showed off her bikini body  in Mexico on Thursday.
Kate Hudson  struck a pose at the Giorgio Armani  Privé show at Haute Couture Fashion Week in Paris on Tuesday.
Taylor Swift  bared her midriff in NYC on Monday.
Prince William went snorkeling  with the British Sub-Aqua Club in London on Wednesday.
Jennifer Lopez  attended the LULAC/NUVOtv Unity Luncheon on Thursday in NYC, where she snapped an epic selfie with Michelle Obama .
Leonardo DiCaprio  walked around West Hollywood with friends on Thursday.
Gisele Bündchen danced around in rose petals  during a photo shoot in Miami on Thursday.
Cameron Diaz showed off her bikini body  in Miami Beach, FL, on Monday.
Katie Holmes  laughed while talking on the phone in NYC on Thursday.
Chris Hemsworth and Elsa Pataky cozied up at the Wimbledon men's final match  on Sunday in London.
Miranda Kerr  smiled in NYC on Monday.
Nina Dobrev  showed off her stems at the Chanel show on Tuesday at Haute Couture Fashion Week in Paris
Jamie Chung took a selfie with Abigail Breslin , Jessica Szohr , and Hannah Bronfman at the Birchbox opening in NYC on Thursday.
Kate Winslet  looked stunning at a Lancome party during Haute Couture Fashion Week in Paris on Wednesday.
Anne Hathaway  filmed The Intern in NYC on Wednesday.
Jared Leto  cracked up with Chanel's Karl Lagerfeld backstage at his Haute Couture Fashion Week show in Paris on Tuesday.
Keri Russell  stunned at the NYC premiere of Dawn of the Planet of the Apes on Tuesday.
Chloë Moretz held hands with her brother Trevor at LAX on Thursday.
Natalie Portman  smiled while walking around Los Feliz, CA, on Wednesday.
Jessica Chastain showed off her blond hair on the set of A Very Violent Year in NYC on Wednesday.
Kim Kardashian  got a kiss from Balmain  designer Olivier Rousteing as she and sister Kendall Jenner attended the Vogue Foundation Gala in Paris on Wednesday.
Cameron Diaz  and Jason Segel  premiered Sex Tape in LA on Thursday night.
Rihanna  stepped out in what looked like a nightgown in NYC on Tuesday.
Britney Spears  walked around LA on Tuesday.
King Felipe VI and Queen Letizia of Spain attended the official Air Force Academy ceremony on Wednesday in Virgen del Camino, Spain.
Halle Berry  looked gorgeous in NYC on Monday.
Kristen Stewart debuted her short new haircut  at the Chanel show at Haute Couture Fashion Week in Paris on Tuesday.