Watch: Ne-Yo Introduces His 4 Girlfriends From Polyamorous RelationshipNe-Yo just can't pull himself away from his four girlfriends. That's why the "Closer" singer-who is in a polyamorous relationship with Cristina (nicknamed "Pretty Baby"), Arielle Hill ("Twin Flame"), Moneii ("Phoenix Feather") and Brionna Williams ("Sexy Lil' Somethin'")-has an Alaskan King-sized bed in his house. "That's like two California Kings next to each other," he explained to YouTuber Kai Cenat during a Sept. 10 livestream, "You gotta get that mattress made.