After inking a huge contract extension during the day, Luka Dončić was surprised by his teammates with a trip to a Backstreet Boys concert in The Sphere.

Luka Dončić's three-year max extension has made him an incredibly rich man. The reported $165 million deal with the Los Angeles Lakers officially makes Dončić the foundation of the franchise's push for an 18th NBA championship.

Being a Laker is an honor and I wanted to be here,” Luka Dončić said after signing a three-year, $165 million contract extension.