HEIDI Klum has given her fans a treat in her latest sizzling photo shoot, which sees her frolic in tiny bikinis onboard a yacht.

The stunning supermodel, 52, looked incredible as she posed for the new Calzedonia advert.

The German supermodel is the new face of the Italian fashion house, who have previously worked with Kendall Jenner .

Heidi , who celebrated turning 52 on Sunday, showed off her timeless figure in a range of bikinis.

The tiny two-pieces showed off her toned stomach and endless pins.

The advert showcased a number of bikinis in an array of different colours including leopard print and purple.

Sharing the sizzling advert on Instagram , Heidi wrote: "For your perfect summer with @Calzedonia ❤."

Her fans immediately rushed to share their approval, with one saying: "

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