It took LeBron James playing all 48 minutes for the Cavaliers to pull out an 87-79 win over the Celtics in Game Seven of the Eastern Conference finals in Boston.
James scored 35 points with 15 rebounds and nine assists as Cleveland handed Boston their first loss at home of the playoffs.
It's the fourth straight NBA Finals' appearance for the Cavs and the eighth straight for LeBron between Cleveland and Miami.
Cleveland will play either the Houston Rockets or Golden State Warriors for the championship.
Game Seven of the Western Conference finals is tonight.
Cleveland and Golden State have faced each other three straight years in the NBA Finals.