Article continues below advertisementAlyssa Huddleston, better known online as Nikkibi, set Instagram ablaze with her latest Halloween post, and her fans can't stop talking about it. The Missouri-based content creator slipped into a daring firefighter-inspired costume that perfectly captured her playful personality and signature confidence. Holding a fire extinguisher prop and wearing a glossy black-and-neon outfit, she captioned her post, "Caution smoking hot," and the comments proved everyone agreed.