Hottest celebrity bikini bodies of 2017

The Willis sisters stripped down while visiting the Sawtooth National Forest. Rumer (left) chose a black-and-red bikini while her sister Tallulah (c) opted for a red two piece and sister Scout donned an orange bikini top. <a href="http://www.Hollywoodlife.com" target="_blank">Click here for more pics of stars' bikini shots on Hollywoodlife.com</a>. (Instagram)

Hilary Duff's got it and she's flaunting it! The single mom donned a simple bikini while at the beach with her ex-husband Mike Comrie and their son Luca. <a href="http://www.etonline.com/hilary-duff-slays-black-bikini-while-enjoying-beach-day-her-ex-mike-comrie-and-son-luca-pics-86602" target="_blank">Click here for more pics of Duff's beach outing.</a> (MEGA The Media Agency)

Bella Thorne is ready to hit the waves! For more photos of Thorne, visit <a href="http://www.hollywoodlife.com/" target="_blank">HollywoodLife.com</a>. (Instagram)

Christina El Moussa spent the day on a boat. <a href="http://www.etonline.com/news/220942_christina_el_moussa_flaunts_her_bikini_bod_cuddles_with_boyfriend_doug_spedding_over_4th_of_july/" target="_blank">Click here for more pics of Christina.</a> (Mr Plow/Backgrid)

Charlotte McKinney rocked a nude bikini while vacationing in Nassau, Bahamas. For more photos of the 24-year-old model, visit <a href="http://www.hollywoodlife.com/" target="_blank">HollywoodLife.com</a>. (Instagram)

Olivia Munn headed to the Beach Enclave North Shore Villa in Turks & Caicos to celebrate her birthday. She thanked Booking.com on her <a href="https://www.instagram.com/p/BV9oNWkAEx0/?taken-by=oliviamunn&hl=en" target="_blank">Instagram account</a> for sending her on the vacay. During the trip, she showed off her fit figure in a low-cut one-piece. (Courtesy of Booking.com)

The 46-year-old "Top Chef" host and famous foodie flaunted her bikini body on Instagram. <a href="http://hollywoodlife.com/" target="_blank">Click here for more pics of the star on HollywoodLife.com</a>. (Instagram)

Charlize showed off her sexy beach body while in Mexico. (Splash)

Brooke Burke-Charvet frolicked on the beach in Malibu in a gold bikini that hugged her in all the right places. Can you believe this beauty was born in 1971? <a href="http://www.etonline.com/gallery/195316_sexiest_celeb_bikini_bods_2016" target="_blank">Click here for more celebrity beach bodies.</a> (Michael Simon/Startraksphotos.com)