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'

The AGT host made things awkward last month when he surprised Burr by bringing on his alleged half-brother Corgan.

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.

Howie Mandel has officially apologized to Bill Burr for ambushing him with Billy Corgan during his podcast last month. Mandel was referring to a January 21 incident, when he had Bill Burr come on the show,

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.

The comedian reacted to the forced encounter by shaking the Smashing Pumpkins frontman's hand while telling Mandel, "You're an a**hole."