Derulo's first single Whatcha Say, debuted and peaked at number three last November, with first-week sales of 66,737, which have since swollen to 313,517. Both songs are on Derulo's eponymous debut album, which drops today (Monday).

Derulo's coronation is something of a Haiti handover - although born in Florida, the singer was born Jason Desrouleaux to Haitian parents, and his song replaces the Helping Haiti charity single Everybody Hurts, which takes a 1-9 tumble (33,084 sales) - the biggest for ...