Jason Joel Desrouleaux, formerly Jason Derülo (born September 21, 1989), is an American singer. He is part of the band Frou Frou with Imogen Heap. They sang the song "Whatcha Say". The song was double platinum. Other singles include "In My Head" and "Ridin' Solo". He recently got famous during the boost of the app tik tok. tik tok features a few of his songs such as savage love and the lax siren beat made by jawsh 685.