"The Brady Bunch" alums Barry Williams, Christopher Knight and Mike Lookinland reunited on "The Masked Singer" stage for their first performance together in 45 years. The Brady Bunch brothers were eliminated on Wednesday’s episode of the hit FOX show.The trio — who were unmasked as The Mummies — later spoke with Fox News Digital about what it felt like to perform together after so long, revealing the last time that happened was "Brady Bunch Variety Hour 26" more than four decades ago.