Heidi Klum (pronounced [ˈhaɪ̯di ˈklʊm]; born June 1, 1973) is a German model, television host, businesswoman, fashion designer, television producer, and occasional actress. In 2008, she became an American citizen while maintaining her native German citizenship.

Klum became internationally known for her appearances on the cover of the Sports Illustrated Swimsuit Issue. In 1997, she became the first German model to become a Victoria's Secret Angel. Following a successful modeling career, Klum became the host and a judge of the reality show Project Runway which earned her an Emmy nomination in 2008 and a win in 2013 for Outstanding Host for a Reality or Reality-Competition Program (shared with co-host Tim Gunn). She has worked as a spokesmodel for Dannon and H&M, and has appeared in numerous commercials for McDonald's, Volkswagen and others. In 2009, Klum became Barbie's official ambassador on Barbie's 50th anniversary. As an occasional actress, she had supporting roles in movies including Blow Dry (2001), Ella Enchanted (2004), and made cameo appearances on The Devil Wears Prada (2006) and Perfect Stranger (2007). She has also appeared on TV shows including Sex and the City, How I Met Your Mother, and Parks and Recreation. Currently, Klum is a judge on the NBC reality show America's Got Talent.