Halloween costume mashup: Saweetie channels Halle Berry's Catwoman; Ciara performs as Selena; and more

Musicians and celebrities took their creativity to a whole 'nother level with their character-inspired Halloween costumes. Here's a mashup of some of the best dressed:

Megan The Stallion, meanwhile, decided to channel one of her favorite Disney villains, Cruella de Vil from 101 Dalmatians. "Say what you want but a b*** be WORKIN," she captioned her photo.