Shontelle Layne (born October 4, 1985), or just Shontelle, is a Barbadian singer-songwriter. She mainly performs R&B, pop and reggae music. She released her debut album Shontelligence in 2008 and her second album No Gravity in September 2010. Some if her recent songs achieved only modest success. She co-wrote "Man Down" by R&B singer Rihanna in 2010.