Bill Hader has slammed Justin Bieber's turn as a host on SNL.

The former Saturday Night Live performer was unimpressed when the "Baby" hitmaker hosted an episode of the comedy sketch show because he arrived on set with a huge entourage. "Justin Bieber showed up with like 20 guys. He had a guy holding a slice of pizza. A guy holding a Diet Coke. You're trying to fight through all these people to get dressed," he told Howard Stern on his Sirius XM radio show.

While Bill hated working with Bieber, he praised Justin Timberlake for his down to earth attitude. Speaking about the "Mirrors" singer, he said, "He's great. Also, the guy doesn't show up with anybody. Timberlake, it was just him. He's a real class act, that guy."

Justin won rave reviews for his fifth stint as SNL host in March, which included cameos from Steve Martin, Chevy Chase, Dan Aykroyd, and Martin Short, and the episode logged its best ratings for over a year with 8.4 million viewers tuning in.