This Is the Ultimate Version of "Let It Go," We Promise

OK, we know that you've heard "Let It Go" a million different ways already, but this one is the ultimate rendition. On Wednesday morning, Good Morning America staged a huge national sing-along and took the Frozen song to a whole new level, combining hundreds of popular viral videos and covers with live renditions across the country. Everyone from Idina Menzel and the cast of her Broadway musical If/Then to Kelly Ripa and Michael Strahan to a group of Disney World princesses, who joined together ...