Yandel is half of the superstar reggaeton duo Wisin & Yandel, who enjoyed mainstream breakthrough success with Pa'l Mundo (2005). Born Llandel Veguilla Malavé on January 14, 1977 in Cayey, Puerto Rico, he and Wisinbegan performing as a duo in the late '90s (Yandel then billed himself "Llandel") and…