looked sensational in a plunging pink dress on the set of Paris Hilton's new music video. The ageless 51-year-old supermodel sent temperatures soaring in her latest snaps, posted to her Instagram Stories on Friday (August 16). Heidi gave fans a cheeky behind-the-scenes look from her dressing room before starring in the video.

The America's Got Talent judge went braless for the occasion and posed seductively in the sheer pink dress, which exposed her chest and killer figure. Heidi was seen standing in front of her trailer and twirling around in the sexy garment. She elevated her frame with strappy gold heels and opted for gold jewellery, including bracelets and a a chunky heart pendant resting on her chest.

She posed for a mirror selfie in her dressing room after getting glammed up for the video. Heidi is set to appear in the video for Paris' new track Bad B**ch Academy. It was filmed in downtown Los Angeles.

Heidi previously discussed how staying active and healthy diet helps her stay in shape. She told Body and Soul: "I try to eat super healthy. We eat at like 6 to 6:30pm, [and having] home-cooked food, knowing what you're eating is super important.

'I love healthy food; I don't really eat much junk. I like to be fit and I like to feel fit. I know that when I gained a little bit [of weight].

.. I felt sluggish.

I was like, "No, I have to get back into shape.'" The supermodel said she no longer follows a strict diet and is happy with who she is. She told Red Magazine: "I feel .