Heidi Klum Named 2011 "Trick or Treat for UNICEF" Ambassador

Heidi's Halloween Parties are legendary. Each year her costumes are bigger and more creative than the year before. She's a natural for this!

Photo: Bryan Bedder/WireImage

"I am excited to become part of a campaign that has such a special place in so many people's hearts," said 2011 Trick-or-Treat for UNICEF Ambassador Heidi Klum. "As a mom, I want my children to have everything they need to be safe, healthy and happy. I'm amazed at the work UNICEF does to provide vital support for children around the world—from education to nutrition, health care to clean water—in dire emergencies and all year round."

Click here for the full press release.