Lifestyle Beauty & Style Celebrity Fashion Heidi Klum Shows Off Strappy Bikini with Nearly-Naked Bottoms: 'Not Sure About These Tan Lines' The 51-year-old model and host shared the animal-print swimwear in a sexy Instagram clip By Catherine Santino Catherine Santino Catherine Santino is a Style Writer-Reporter at PEOPLE. She began as a contributor for PEOPLE in 2022 and joined the staff full-time in 2024. Her work has previously appeared in The Zoe Report, Popsugar, Insider and more. People Editorial Guidelines Published on August 7, 2024 04:37PM EDT Comments Heidi Klum on Instagram. Photo: Heidi Klum/Instagram Heidi gone wild! On Tuesday, August 6, Heidi Klum took to Instagram to show off her figure in a skimpy leopard-print bikini. In the clip, the 51-year-old model and host walks toward the camera while pushing her hair to one side. Her sexy swimwear features a triangle top and strappy bottoms that practically bare it all. The star also wore a gold body chain, gold necklace and pair of sunglasses. "Beach time 😎🏝️🐠… not sure about these tan lines later 👙☀️," Klum joked in the caption. Earlier this summer, the former Victoria's Secret Angel and her husband, Tom Kaulitz, coordinated in matching leopard-print swimwear. "Love is ….. when he matches your bikini print," she wrote in the caption of a June 23 Instagram clip, which shows the couple lounging side by side outside. Klum wore a lettuce-trim triangle bikini while Kaulitz, 34, shed his red-and-white patterned set to reveal that a pair of leopard-print swim trunks underneath. In another post on her Instagram Stories, Klum posed in a leopard-print mini dress with a matching button-down shirt and a cream-colored baseball cap. Kaulitz, who stood beside her, wore his same matching red-and-white patterned set and a pair of tortoise-shell sunglasses. The PEOPLE Puzzler crossword is here! How quickly can you solve it? Play now! Heidi Klum’s Husband Tom Kaulitz Pats Her Butt Before Gondola Ride During Romantic Venice Vacation The couple enjoyed another beachy moment on Sunday, August 3 to celebrate their anniversary. "Celebrating our love today and every day ❤️❤️❤️...Happy anniversary," Klum captioned an Instagram post featuring a video in which she rested topless on Kaulitz's back as the German musician appeared to nap. In another post, Klum shared a series of photos of the couple perched in the sand as she hugged him from behind. "I could not ask for a better one ❤️ Ich Liebe Dich Tom," she wrote in the caption, adding, "I Love You Tom." Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories. The couple began dating in 2018 and secretly tied the knot in February 2019 following a two-month engagement. Seven months later, they held a wedding celebration in Capri, Italy for close family and friends. Klum shares four children — Leni, 20, Henry, 18, Johan, 17, and Lou, 14 — with her ex-husband Seal, whom she separated from in 2014. Close