Jason Derulo on His New Book & How Fatherhood Has Changed Him (Exclusive)

Jason Derulo on How Being a DAD Has Changed Him (Exclusive)

Jason Derulo reveals what it was really like working with the superstar coaches on The Voice Australia and admits there's a bit of 'headbutting'

Celebrity trainer Jono Castano takes me through Jason Derulo's workout, writes CIARA O'LOUGHLIN