HEIDI Klum looked sensational as she stripped to a barely-there bikini on her tropical holiday. The former fashion model recently jetted off with husband Tom Kaulitz and has been keeping followers up to date on her travels. Heidi , 51, showed off her age-defying figure in the strappy leopard print two piece - and joked about the tan lines she would get.

A post on Instagram showed Heidi in the garment as she headed to the beach. She wore her blonde hair down and covered up in dark glasses. Heidi wrote: "Beach time .

.. not sure about these tan lines later.

" More on Heidi Klum German-American Heidi previously shared some loved-up snaps of her and Tom, 34, on the holiday and added: "I could not ask for a better one. Ich Liebe Dich Tom." Last month Heidi sent fans wild when she stripped completely naked to celebrate her 51st birthday .

She wore nothing but a flat cap and sunglasses as she sunned her body beside poolside. Cheeky Heidi covered her chest with her hands while sat on a sun lounger in her garden. Most read in Showbiz In a clip posted on social media, which you can see below, Heidi slowly panned her phone camera down her body - revealing she had no clothes on.

Earlier this year Heidi's daughter Leni, 20, proved she's a chip off the old block as she posed for a lingerie shoot . Leni began modelling as a teen and has since appeared in a number of magazines with and without her mother..