The "Anaconda" rapper atteneded a Haunted Funhouse Halloween party at 1 OAK nightclub in Las Vegas, Nevada on Friday.
Minaj gave us her best princess look while rocking a white tulle skirt, a bedazzeled corset, crown and wand. Nicki also showed some major cleavage -- and narrowly avoided a wardrobe malfunction -- in the skin-tight look.
But she wasn't the only star rocking a super sexy Halloween look -- click "Launch Gallery" above to see more killer celeb costumes!
What do you think about the "Starships" singer's racy costume? Tell toofab in the comment section below!