By ETonline Staff
11:00 PM PST, December 31, 2017
These ladies know how to beat the heat in the hottest way possible, rocking everything from colorful bikinis to itty bitty two-pieces. Click through the gallery to see some of the sexiest vacation pics -- or just a regular Tuesday in Los Angeles!
Paris Jackson
The new face of Calvin Klein showed off her chakra tattoo in a sporty navy blue two-piece while vacationing in Hawaii on Christmas Day.
Alessandra Ambrosio
The Victoria's Secret Angel rocked a sporty red two-piece when she hit the beach in Florianopolis, Brazil, on Dec. 17. Ambrosio accessorized with gold sunglasses, a dangly necklace and layers of bracelets.
Sofia Richie
Richie jetted to Miami Beach, Florida, with her boyfriend, Scott Disick, on Dec. 6. She showed off her toned bod in a red bikini and denim shorts, accessorizing her look with retro sunglasses, while Disick covered up in a white shirt and patterned shorts.
Katharine McPhee
The Scorpion star was all smiles while on vacation in Mexico on Dec. 2. She smoldered in a plum bikini while enjoying some poolside fun in the sun, finishing her look with a gold necklace, hoop earrings and rings.
Olivia Culpo
The former Miss USA was all smiles as she walked along the beach in Miami, Florida, on Oct. 19 in a red hot two-piece.
Julianne Hough
The dance pro's crazy toned bod was on display in a cute asymmetrical polka dot two-piece as she enjoyed Labor Day in Manhattan Beach, California, with her husband, Brooks Laich. The duo were also joined by Hough's brother, Derek, and his girlfriend, fellow dancer Hayley Erbert.
Rita Ora
Decked out in gold chains, the "Your Song" singer showed off her super toned bod in an on-theme embroidered bikini while celebrating her friends' birthdays in Jamaica on July 29.
Charlotte McKinney
The blonde bombshell wore very Victoria's Secret-like angel wings as she walked the Beach Bunny runway in a tiny white two-piece with silver hardware during Miami Fashion Week on July 21.
Emily Ratajkowski
The 26-year-old model was all smiles as she hung out with pals on an L.A. beach on July 18. Ratajkowski showed off her super toned bod in an itty bitty black thong bikini, which she accessorized with a straw hat, body chain, long charm necklace and gold hoops.
Victoria Justice
The Victorious alum hit the beach in Hollywood, Florida, over Fourth of July weekend, striking a stunning pose in a festive blue bikini. "Water as warm as a bathtub," she captioned the pic.
Gabrielle Union
The actress perfectly paired a robe with a bikini while vacationing in Italy. "Robes and stuff #WadeWorldTour #Summer2017," she captioned the pic.
Heather Graham
The Boogie Nights actress nailed her summer style in a string bikini, fedora hat and trendy sunglasses. "❤️ this beach," she captioned the Instagram photo of herself on June 21.
Rita Ora
The singer announced the release of her new single, "Your Song," with a sexy, black-and-white bikini-clad selfie that she shared to Instagram on May 26. " YOUR SONG AVAILABLE EVERYWHERE NOW!! Go and get it!! Let's do this," she wrote in the caption. " Thank you I love you!"
Bella Hadid
The model said she was having "that kinda day" on May 21, while lounging on a yacht in Cannes, France, wearing a white bikini.
Irina Shayk
Nearly a month after giving birth to her and then-boyfriend Bradley Cooper's daughter, the supermodel shared a photo of herself posing in a sexy black bikini while lying on a pool float shaped as lips. "Pre-sunset #currentsituation," she captioned the snap on April 18.
Jessie James Decker
The mom of two showed off her super-fit bod in a black-and-white tie-dye bikini during a photoshoot in Miami on Feb. 27.
Charlotte McKinney
It's no wonder this model is so in demand! McKinney showed off her bikini bod in Miami, Florida, on Feb. 19, putting her super long legs on display in a rust-colored two-piece.
Hailey Baldwin
"Ay, lemme go back to Hawaii tho," the model captioned a throwback pic of herself lounging on the beach in a crocheted bikini on Feb. 7.
Kylie Jenner
The 19-year-old reality star couldn't stop showing off her bikini bod while vacationing with her family in Costa Rica. This sultry shot from Jan. 28 -- which Jenner captioned with the name of John Mayer's hit, "Body Is a Wonderland" -- was just one of more than a half dozen she posted from the tropical getaway, where she also snuggled up plenty to then-boyfriend Tyga.
Bella Hadid
The model's first job of 2017 was a trip to the Bahamas, where she giddily posed in a string bikini on Jan. 10. "Where I belong," she captioned the sandy snap, adding a heart emoji.
Camila Cabello
The former Fifth Harmony singer took in the sunset in Cancun, Mexico, on Jan. 3.