Leslie Jones is the latest celebrity to join Hart on his YouTube series, 'What the Fit,' and as expected, belly laughs were a part of their exercise routine.
The comedy, co-starring Taran Killam, comes to theaters on Sept. 28, 2018.
Only ET was on set of the new comedy. These two have quite a history; Kevin even once loaned money to the 'Girls Trip' star.
The humorous pair have known -- and leaned on -- each other for years.
The 38-year-old comedian's celebrity friends are quickly finding out that he isn't afraid to test their fitness limits in his new YouTube series.
The two funny guys are squaring off in a battle of weights and wits for Hart's new fitness 'Fight Club' show.
The songstress is getting harsh reviews for her version of the song. Fellow celebrities like Beyonce and Blue Ivy were in the crowd.
The comedian got shut down by a security guard after trying to join the Eagles' players onstage for the Sunday night trophy ceremony.
ET spoke to the 'Girls Trip' star at Super Bowl LII, where she cheered on the Philadelphia Eagles.
ET's Kevin Frazier caught up with the actor after the Philadelphia Eagle's big win in Minneapolis, Minnesota, on Sunday night.
The Philadelphia Eagles super fan admitted to being "tipsy" at the big game.
The stars are predicting who will win the NFL championship game on Sunday -- the New England Patriots or Philadelphia Eagles?
The #ALSPepperChallenge is the latest stunt taking over the internet to raise awareness about ALS.
Plus, see even more adorable celeb pics as stars like Kourtney Kardashian and Vanessa Hudgens celebrate the Christmas Eve weekend.