Hart was part of the blockbuster deal that brought Anthony Davis to the Lakers and sent Brandon Ingram, Lonzo Ball and numerous draft picks to the Pelicans.
The 2017 first-round pick appeared in 130 games over the past two seasons, averaging 7.9 points and 3.9 rebounds per game.
He was the subject of numerous trade rumors last year along with Ingram and Ball, which he admitted affected him.
"I guess it was annoying," Hart said in his April exit interview, per Daniel Starkand of Lakers Nation. "The media made it annoying. Social media made it annoying."
He showed excitement when he found out about being traded to New Orleans:
Hart also took a shot at his old team on the LightHarted Podcast by comparing the "gloomy" and "depressing" situation in Lithuania, as Lonzo Ball put it, to the Lakers, via Dan Feldman of NBC Sports.
The 24-year-old has a chance at a fresh start with an exciting young squad in New Orleans.