Diet Coke has invited Heidi Klum to attend the 80th Academy Awards as a spokeswoman for their Red Dress Campaign, an initiative to raise awareness of women’s heart health.

Heidi Klum

Heidi will be wearing a red couture John Galliano gown on the Oscar red carpet. People can win the exclusive couture gown through the Diet Coke Red Dress sweepstakes on mycokerewards.com and support the National Institute of Health (NIH). For each sweepstake entry, Diet Coke will contribute $1, up to a total of $250,000, to the foundation for NIH in support of women’s heart health research and awareness.