'Love Island USA' star Nic Vans is celebrating his 25th birthday, and Olandria Carthen made sure to show him some public love. On Friday, she shared a sweet message and several throwback moments together. Fans, however, are now debating whether the pair are just friends or in a real romantic relationship.Related: Outside?! Olandria Carthen And Nic Vansteenberghe Go Viral After Apparent Night Out At The Club (VIDEOS)Olandria Carthen Wishes Nic Vans A Happy 25th BirthdayOn Friday, March 20, Olandria Carthen took to Snapchat to celebrate Nic Vans' 25th birthday.