Sharon Stone's basic instinct is that it's officially summer. 

The actress kicked off the season with a new bikini photo on May 24, captioning the Instagram pic, "Ready for summer."

Sharon, 65, showed off her green leopard print swimsuit from Dolce and Gabbana while rocking dark Ray-Ban Clubmaster Classic sunglasses for a cool look. Her mirror selfie also seemed to give a glimpse into her home decor, with a photo of Marilyn Monroe hanging above a velvety couch, where her dog Bandit was perched.

In the comment section, she was hyped up by Once Upon a Time actress Lana Parrilla, who wrote, "Whawhawhawhawowza" and Melissa & Joey actress Brooke Burke, who added, "Yaaaaasssss queen. I don't think you've ever been more sensual."

Meanwhile, Kelly Rowland told the Casino star to "GET IT" alongside some fire emojis.

However, it was Sharon's pup who stole the show for Whitney Cummings. The comedian teased, "The dogs side eye lol."

But jokes aside, Sharon knows it takes "quite a bit of discipline" to be in tune with your body, recently sharing that maintaining a healthy lifestyle begins with a certain "state of mind." 

"You should try to take the philosophy of: What if it's just easy?" she told New You last year. "If you give up all the resistance and go ahead and forgive, resolve your issues, open your heart, stay in your compassion, sleep when you are supposed to sleep, eat when you are supposed to eat, exercise when you are supposed to exercise, show up on time for your jobs, keep your agreements, and live in your truth, you will have a healthy life."

And as the temperatures climb this time of year, Sharon isn't the only star who is ready to relax by the pool. Kendall Jenner also shared some sandy swimsuit shots during a tropical vacation in May, and Emily Ratajkowski posed in both red and black bikinis this week to promote her new iNAMORATA collection.

Keep reading to see more celebrities' favorite swimwear 'fits.

"Risk and you shall receive," the SKIMS founder writes along with a photo of her lounging in an itsy-bitsy black bikini.

Mellow yellow! The model brings the heat in a yellow bikini while on vacation in the Cayman Islands.

The 818 Tequila founder poses in a green ruffle bikini on a tropical getaway.

Countdown to Summer! The stunning actress shows off her green leopard bikini in a selfie.

While documenting her vacation to Australia, the singer showcases her Luli Fama swimwear. 

Fun in the sun! The DJ snaps a photo in her Nua Swim bikini. 

"She sells seashells down by the seashore," the actress wrote on Instagram while wearing a Follow Suit swim top. 

"An eventful morning," the actress wrote on Instagram while wearing  Blackbough Swim. "#foreverphilippines." 

While documenting her "birthday behavior," the singer rocks a matching bikini and sarong from Montce. 

The Culpo Sisters star rocks a Heavy Manners bikini while enjoying a sunny afternoon boat ride. 

"Let me drive the boat," the singer wrote on Instagram while posing in a SWIM BY DI bikini. 

"Comfortable in my skin," the actress and singer wrote on Instagram while wearing a matching bikini and sarong from Montce. 

"Bunsss out," the model wrote on Instagram from St. Barts while wearing a bikini by Heavy Manners. 

"Watermelon sugar…." the Culpo Sisters star wrote on Instagram while wearing a lovewave bikini from Revolve. 

"It's the GLOW for me," The Kardashians star shared on Instagram while wearing a black bikini by Heavy Manners. "I'm excited to join the @drinkglow team." 

"You thought i was feelin u???" the actress asked on Instagram while wearing a crochet bikini set from Calzedonia in Miami. 

"Winning watermill," The Hills star wrote on Instagram while wearing trendy sunnies from DMY BY DMY in Water Mill, New York. 

"Girl's best friend," the actress wrote on Instagram while wearing Candy Ice jewelry and a bikini set from SHEIN. 

The supermodel enjoys a summer day by the water wearing a Frankies Bikinis bikini set. 

The pregnant model enjoys some R&R on the beach in Los Angeles with one of her best friends. Georgia is wearing a La Mariposa bathing suit.

"Turning up the heat," the supermodel wrote on Instagram while wearing a bright-colored suit from JMP The Label. 

"I met the amazing founder of @kitty_and_vibe, the independent woman-owned brand that made my favorite swimsuit of the season," the actress wrote on Instagram while wearing Kitty and Vibe. "So today, this is my office."

The body positive surfer poses in a JOLYN swimsuit while enjoying the ocean blue waters of Waikiki. 

"My happy place," the Olympic gymnast wrote on Instagram while enjoying a vacation in her SHEIN bikini. 

The global music superstar shows off her pink terry bikini set by TRIANGL while posing on a boat in Greece.

"A quick desert moment w @theofficialpandora #PandoraMe #PandoraOasis," the singer shared while enjoying Coachella in a Frankies Bikinis top and bottom. 

"Made it to Cabo," the model wrote on Instagram while wearing a bold TRIANGL bikini.

"The girlies and I went to brasil," the Euphoria star wrote on Instagram while wearing swimwear from Frankie's Bikinis and an Emi Jay hair clip. 

The Ultimate Surfer star sports a swimsuit from the Spring 2022 JOLYN Surf collection during a day at the beach. 

Happy palm tree. Happy wahine. Happy Tuesday," the singer wrote on Instagram while wearing a TRIANGL bikini by the ocean blue water. 

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