Paris Hilton looks pretty in pink while cooling herself off on a yacht. (Paris Hilton Instagram)

Heidi Klum shows off all the good food she's eating while on vacation. (Heidi Klum Instagram)

"My kind of R&R," Eva Longoria wrote, alongside photos of her relaxing on the beach while on vacation. (Eva Longoria Instagram)

Demi Moore enjoys the ocean view with her dog Pilaf. (Demi Moore Instagram)

Nina Dobrev relaxes on a pool float while taking in the sun's rays. (Nina Dobrev Instagram)

Former supermodel Cindy Crawford looks out onto the lake while on vacation. (Cindy Crawford Instagram)

Gisele Bündchen meditates near a waterfall while on vacation in her home country, Brazil. (Gisele Bündchen Instagram)

Gisele Bündchen takes in the beauty of Brazil. (Gisele Bündchen Instagram)

Jessica Biel posted a photo of herself putting her own spin on the famous scene from "The Karate Kid." (Jessica Biel Instagram)

Kate Hudson posted photos of her and her daughter having fun together on a boat. (Kate Hudson Instagram)

Kylie Jenner rings in her 26th birthday with a trip to the beach. (Kylie Jenner Instagram)

Jennifer Lopez wears a floral dress and sunglasses while arriving at restaurant on the Amalfi Coast. (Mega)

Victoria Beckham posted photos of herself catching some waves and loving on her husband David Beckham while vacationing in Canada. (Victoria Beckham Instagram)