Liam Payne and Simon Cowell shared a close bond and Liam was always asking his mentor for advice - they also enjoyed playdates with their kids

Liam Payne tragically died at the age of 31 and his close friend Tony Cowell has spoken about their friendship and Liam's bond with Simon Cowell, as well as the last time he saw the star

X Factor' judges Simon Cowell, Sharon Osbourne and Cheryl Cole paid tribute to One Direction singer Liam Payne, who died Wednesday at age 31.