Garth Brooks is celebrating the end of his three-year world tour with champagne and festivities!ET's Rachel Smith was exclusively with Brooks and his wife, Trisha Yearwood, at the epic afterparty following his final stop on the North American leg of his Garth Brooks Stadium Tour!Amid the revelry, Brooks spoke with Smith about the tour wrapping up and said that he truly doubts he'll be headlining a tour of this magnitude in the foreseeable future.«I don’t think we'll ever do a stadium tour again, ever. It’s just too much on the crew,» Brooks shared. «These guys haven’t been home in six months.»However, Brooks celebrated the fact that his road crew is «finally gonna get to go home and see their families.»That being said, Brooks admitted that retirement from live performing isn't in the cards, and when it comes to tours, «It’s never the last one.»Yearwood, meanwhile, shared that the champagne wrap party celebration was somewhat «bittersweet» by nature, «Because you enjoy every second along the way.»«The last show is always the special one.