Diet Coke, a brand of Atlanta-based The Coca-Cola Co., has partnered with actress Minka Kelly to support the National Heart, Lung and Blood Institute’s The Heart Truth campaign to raise awareness about heart health.

Millions of Diet Coke packages will prominently feature the hashtag #ShowYourHeart to encourage fans to upload and share heart-inspired photos representing what “showing your heart” means to them. Throughout the month of February, each photo tagged on Twitter and Instagram with #ShowYourHeart will trigger a $1 donation from Diet Coke to the Foundation for the National Institutes of Health up to $100,000 in support of women’s heart health research programs.

“Through the power of our fans, Diet Coke can raise awareness and support for The Heart Truth campaign,” said Erik Jenkins, Diet Coke brand manager, in a statement. “We hope every time someone picks up a Diet Coke can and sees the striking brushstroke heart design, they’ll use the hashtag to join the social conversation supporting this important cause.”

Diet Coke also will take the message from the can to the catwalk at the annual Red Dress Collection Fashion Show on Feb. 6 at the Hammerstein Ballroom in New York City. As Diet Coke’s celebrity ambassador, Kelly will model a red gown, designed by Oscar de la Renta, reminding women to raise awareness for this important cause.

“Every woman can play an active role in her heart health, but many may not realize it,” Kelly said in a statement. “I’m so excited to be a part of a campaign that brings attention to this important issue, and have the opportunity to inspire other women to get involved.”

Diet Coke selected five fans who participated in the #ShowYourHeart promotion to attend the star-studded event as well.