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

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

Howie Mandel has apologized to Bill Burr after forcing an awkward interaction on his "Howie Mandel Does Stuff" podcast.

Howie Mandel has publicly apologized to Bill Burr and Billy Corgan, following an awkward incident on his podcast last month. "I want to apologize," Mandel said Tuesday on his Howie Mandel Does Stuff podcast.

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.