make coaching djokovic. all right. >> best player in the world. no big tale deal. the late show welcomes back a full audience in person tonight for the first time in over a year. and last week colbert made it pretty clear he needs to get back to normal. >> being live on stage is everybody is there. mark i see more often. chris i have to look at him to see him on stage. here i can't escape it. the camera is right here. he's there! he's right there the whole time. so if he picks up -- he's got a sharpy. a sharpy pen that he keeps with him. if i [ expletive ] up in away, he goes like this. i just see this. like this out of the corner of my eye. doesn't mark it down here where i can't see it. he marks it on the top. so not going to undermine your confidence at all but i want you to know you [ expletive ] enough