Heidi Klum dons a peek-a-boo thong before turning 50.

As her milestone birthday of fifty approaches, Heidi Klum isn't giving her fans much room for imagination.

A video of the former supermodel dancing while wearing a low-cut gold dress and showing a black G-string thong with gold decorations was uploaded to social media on Friday.

On her Instagram post, Klum, who is 49 years old, captioned the video with a heart emoji and a party emoji but closed the comments section.

The socialite was moving her hips to the song "Alone," which was performed by Kim Petras and Nicki Minaj. She was dressed in long beach waves and thigh-high boots.

On Monday, Klum went to the beach to soak up some sun and showed off her toned body in a bright yellow bikini.

She captioned a series of images showing Klum smelling a dandelion, "Finally some sunshine," and the photos included Klum.

Additionally, the actress turned off the comment section for that post. In a previous interview, Klum described the at-home exercise routine that she does to maintain her figure.

A boisterous crowd of both fighters' supporters watched the weigh-in on Friday outside T-Mobile Arena as Gervonta "Tank" Davis and