Damian Lillard and Mac McClung were big winners during NBA All-Star Weekend ... and the two champs celebrated like it -- getting the VIP treatment at a celeb-packed hot spot on Saturday.
The Milwaukee Bucks superstar and G League standout were victorious in the Three-point and Slam Dunk contests, respectively ... and shortly after they got their shiny, new hardware, they made their way to Sei Less NYC's popup party in Indianapolis.
The gathering had an impressive guest list .