4th of July with Nick Cannon & Mariah Carey on NBC

NBCUniversal celebrates the nation’s 237th birthday with a live broadcast of “Macy’s 4th of July Fireworks Spectacular,“ featuring all-star performances by Mariah Carey, Tim McGraw, Taylor Swift, Selena Gomez and others. The two-hour show will be hosted by Nick Cannon of NBC’s “America’s Got Talent“ and grammy award-winning artist, Usher, will curate the overall design of the show. We caught up with Nick Cannon, who talked about his favorite 4th of July memories, and what it’s like to work with his wife Ma