Trending on BillboardRicky Martin is a proud dad, and his kids are all grown up. The two-time Grammy winner shared a throwback photo on his Instagram Stories of his twins, Matteo and Valentino Martin, who recently turned 18. “Celebrating the 18th birthday of the loves of my life all week long. Martin soundtracked the photo with his 2011 song “Lo Mejor de Mi Vida Eres Tú,” which translates to “you’re the best thing in my life.” “My kids ask me about having two daddies, and I tell them we are a part of a modern family,” Martin told Out magazine.