‘One you won’t want to miss!’ Heidi Klum takes to social media to talk up first America’s Got Talent Holiday Spectacular Heidi Klum is making absolutely sure her combined seven million followers on Instagram and Twitter don’t miss Monday night’s first America’s Got Talent Holiday Spectacular. The beautiful blonde judge even shared a 25-second promo for the two-hour NBC special, in which she will sing Santa Baby with crooner Sal Valentinetti.