The Disney Family Singalong? It's hard to believe that also happened in 2020, the longest year in recorded history, but seven months later we've been given another treat! The Disney Holiday Singalong, which premiered in November, brought together household names to sing classic holiday tunes.Ryan Seacrest hosted the affair, and the special's lineup included performances and appearances from K-pop super group BTS, Katy Perry, Andrea Bocelli, Michael Bublé, Ciara, Chloe x Halle, Derek Hough and