Heidi Klum turned heads in a cheeky thong bikini while soaking up the sun in the Caribbean alongside her husband, Tom Kaulitz ...

The 51-year-old supermodel flaunted her figure during a steamy St. Barts beach day with her husband, Tom Kaulitz, on Wednesday. Photos obtained by the Daily Mail show Klum rocking a skimpy ...

When they were spotted on the beach this Tuesday ... teamed with a straw hat and Gucci shawl. Meanwhile Tom, a drummer for the band Tokio Hotel, went shirtless with a set of swimming trunks ...

Tom Kaulitz. The German couple, married since 2019, appeared deeply in love, holding hands and cuddling on the beach. Klum's barely-there two-piece highlighted her preternaturally toned physique ...