Louis slammed his former One Direction bandmate for failing to support him following the death of his mother in 2016.
The popstar dropped the bombshell during an interview with Piers Morgan.
The Oscar-winning actress and singer blamed the parents of Wade Robson and James Safechuck for enabling the alleged sexual abuse.
John Legend says his EGOT status has helped establish his career.
Jennifer Lopez and Alex Rodriguez announced their engagement earlier this month.