Felicity jones tomi adeyemi science expert Kevin Delaney musical guest burna boy, anfeaturing the legendary roots crew questlove 1169 steve and now, here he is, jimmy fallon [ cheers and applause jimmy oh, hi [ cheers and applause welcome. Welcome, everybody welcome, welcome, welcome, welcome, welcome to the tonight show. This is it youre here. [ cheers and applause you made it. Thank you for being here well, this is very exciting. Tomorrow is the lighting of the Rockefeller Center Christmas Tree and this is a big deal [ cheers ] 20,000 people will be here, and theyre all going to be thinking the same thing, dont blink. [ light laughter ] i missed it, i missed it again. Seriously, everyone around here is excited for the Rockefeller Center Christmas Tree lighting i just saw a promo for the big event, and it looks like theyve got some very special guests lined up. Take a look. Tomorrow on nbc, its christmas at Rockefeller Center more than 20,000 people will be on hand along with the radi