Nicki Minaj is pledging allegiance to the drag.The 37-year-old rapper will make someone’s "Barbie Dreams" come true when she joins RuPaul's Drag Race as a guest judge to kick off the season 12 premiere. Minaj, who won the inaugural Game Changer award at 2019's Billboard Women in Music ceremony last month, will sit next to judges Michelle Visage, Carson Kressley, Ross Mathews and, of course, Mama Ru, when the 12th season debuts on Friday, Feb.