Luka Doncic shares what excites him about his decision to sign an extension with the Lakers. (0:27)Luka wants his name to be up there with the Lakers greats (0:27)Open Extended ReactionsWith a maximum contract extension confirmed on Saturday, star Los Angeles Lakers guard Luka Doncic got to celebrate with a unique experience -- going backstage with the Backstreet Boys. Therefore, the guard had plenty of time to get to The Sphere in Las Vegas for the night's concert. With the new deal keeping Doncic in purple and gold, celebrating with the organization felt appropriate. Doncic said in an April interview with ESPN's Malika Andrews that the Backstreet Boys were his favorite boy band.