Nigeria, March 11 -- American R&B star Ne-Yo has publicly introduced his four girlfriends, confirming his polyamorous relationship in a viral social media post.

Polyamory is the practice of having multiple romantic or sexual relationships with the full knowledge and consent of all parties involved.

The Grammy-winning artiste, known for hits like So Sick and Miss Independent, shared the announcement on his official Instagram page on Sunday. He posted a video of four women and confirmed they are all part of his romantic life.

"Since the world is so intrigued, I guess I should introduce my loves properly," he wrote, referring to them as "My Pyramid" and listing their names and Instagram handles: @Cristina aka PB, @Arielle (Twin Flame), @M...