Final answer:
Season 7 of "RuPaul's Drag Race" added two new permanent judges, Carson Kressley and Ross Mathews, to the panel alongside RuPaul and Michelle Visage.
Step-by-step explanation:
Season 7 of "RuPaul's Drag Race" introduced two new permanent judges. These were Carson Kressley and Ross Mathews, who joined the judging panel alongside existing judges RuPaul and Michelle Visage. The show, which is a reality competition series, has a rotating panel of judges throughout its existence, but the addition of Kressley and Mathews was notable as they both brought a fresh dynamic to the show's critique and guidance of the competing drag queens.