Howie Mandel said he feels "horrible" about angering Bill Burr by surprising him with his possible half-brother, Billy Corgan, in an interview.

After ambushing Bill Burr and Billy Corgan with a face-to-face meeting between the suspected half-brothers, Howie Mandel apologizes: 'I feel horrible'

Howie Mandel apologized for ambushing Bill Burr and Billy Corgan in the midst of their alleged half-brother drama. “I want to apologize. I feel horrible,” the “Deal or No Deal” host, 69, said on his “Howie Mandel Does Stuff” podcast on Tuesday.

It seems as though Howie Mandel may have some regrets over the way things went down when he surprised Bill Burr with his alleged half brother, Billy Corgan. The incident went down on the Jan. 21 episode of his Howie Mandel Does Stuff podcast.

Bill Burr says he 'didn't appreciate' being ambushed with Billy Corgan on Howie Mandel's podcast: 'Howie did what he did because he is a Hollywood whore and he doesn't care what happens.'

The actor and comedian made a recent appearance on an episode of the Howie Mandel Does Stuff podcast, where the host surprised him with Billy Corgan, the Smashing Pumpkins guitarist who previously revealed that the pair might be related.

Bill Burr isn’t happy with Howie Mandel. After appearing on “ Howie Mandel Does Stuff ” podcast, the “Old Dads” actor, 56, doubled down on his disappointment over being blindsided when Mandel, 69, ambushed his interview by bringing out the Smashing Pumpkins frontman Billy Corgan, 57, who revealed he might be Burr’s half-brother.

During a Monday appearance on "The Rich Eisen Show," the comedian, 56, slammed Mandel for surprising him with Billy Corgan during a recent podcast interview. Mandel framed the ambush as a family reunion, as the Smashing Pumpkins frontman previously theorized that Burr might be his half-brother.

The comedian, 56, unloaded on Mandel, 69, after Smashing Pumpkins singer, Billy Corgan, 57, showed up mid-interview on the Jan. 21 episode of “ Howie Mandel Does Stuff .” “You’re an a–hole,” Burr told Mandel.

Bill Burr was not exactly pleased when Howie Mandel ambushed him mid-interview with Billy Corgan, his alleged half-brother