Source: RuPaul's Drag Race / MTV She IS the drama, and she's bringing it to the Werk Room! Cardi B has been RUvealed as a guest judge for the RuPaul's Drag Race season 18 premiere. Source: RuPaul's Drag Race / MTV MTV announced the news today while RUvealing the full guest-judge roster for the Emmy-winning franchise, noting that the Grammy-winning "WAP" star will join RuPaul at the judges' table for the January 2 premiere. Source: RuPaul's Drag Race / MTV The upcoming season will once again see RuPaul flanked by longtime judges Michelle Visage, Carson Kressley, Ross Mathews, and Ts Madison.