httpss://www.youtube.com/watch?v=PZaEFp-hC-s

The model had spent days in a prosthetic lab to create her stunning look.

She’s committed: The model had spent days in a prosthetic lab to create her stunning look.

All eyes on Heidi: Fans lined up to get a good look at the bombshell and her new body.

A stunning success: The Sports Illustrated cover girl pulled off the difficult look and seemed to know it.

She nailed the look: Hadid looked gorgeous in her tight black outfit with a wig.

A scary siren: Dressed in her bondage bat mash-up, the singer looked every-inch the scary yet saucy siren as she flaunted her enviable body and assets.