15th anniversary of "Watch What Happens Live with Andy Cohen" airs a prime-time special on June 30 with celebrity and Bravolebrity guests.

Bravo celebrates the 15th anniversary of its late-night series "Watch What Happens Live with Andy Cohen" with a prime-time special on June 30 at 9 p.m. ET featuring "hilarious hijinks, unpredictable surprises, and a jam-packed lineup of celebrity and Bravolebrity guests." The special will be available to stream the next day on Peacock, and in anticipation of the event, Bravo will air a month-long countdown of "favorite memories" from the past 15 years of the show.