It's my favorite time of year! Tune-in tonight at 10/9c for a night of festive fun with Jimmy Fallon's Holiday Seasoning Spectacular on @NBC and @Peacock. Featuring my friends @The Roots, @Dolly Parton, @Justin Timberlake, JB Smoove, @Cara Delevingne, @Jonas Brothers, @Al Yankovic, @The Rockettes, @LL COOL J, and @Mariah Carey. 🎄 #HolidaySeasoning