The 10 AM event will be held on the main floor of Macy's Herald Square at 151 West 34th Street. Jackson will sing the National Anthem.

Four stamp designs will be unveiled.

Among those taking part in the ceremony will be Terry Lundgren, Chairman, President and CEO of Macy's, Inc.; Joseph Corbett, CFO and Executive Vice President of the United States Postal Service; Robin Hall, Executive Producer of Macy's Thanksgiving Day Parade; and Jean Picker Firstenberg, Chair of the USPS Citizen's Stamp Advisory Committee.

Cheyenne Jackson, who was seen in the film "United 93," has appeared on Broadway in Xanadu, All Shook Up, Aida and Thoroughly Modern Millie. He starred in the premiere cast of Altar Boyz, and his regional credits include West Side Story, The Most Happy Fella, Children of Eden, Hair, Carousel, Damn Yankees and Kismet. Jackson is a member of the Broadway Inspirational Voices and was seen Off-Broadway in The Agony and the Agony and at City Center in Damn Yankees and Finian's Rainbow.