The 40-year-old former model – who was awarded £24.3 million in her divorce settlement with Beatles legend Sir Paul McCartney this week – will sit on the judging panel for the annual beauty contest.
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The event, to be broadcast live on US TV network NBC, will be co-hosted by siblings Marie and Donny Osmond.
Heather and Marie have both been contestants on US TV talent show ‘Dancing With The Stars’.
Heather – who lost her left leg below the knee in a police motorcycle accident in 1993 – began modelling in the late 80s.
At the beginning of her career, she worked as a “glamour model” and posed for a number of sexually explicit photos for a pornographic book.
The German tome, entitled Die Freuden der Liebe (The Joys of Love), featured naked images of Heather performing sex acts on a male model and smothered in baby oil.
Other pictures showed her acting out bondage scenes with whips and simulating sex.
Heather denied the book was pornographic, insisting it was a “sex education manual”.
