American Idol Jennifer Lopez and Casper Smart reportedly call it quits again 08/25/2016 Jennifer Lopez and Casper Smart reportedly have ended their on-again, off-again relationship after almost five years together. Read More RELATED NEWS 'American Idol,' 'The Bachelor,' 'The Bachelorette' and 'Shark Tank' all renewed by ABCKeith Urban, Carrie Underwood, Lauren Alaina and Jason Derulo win big at 2017 CMT Music AwardsKaty Perry reveals details of Taylor Swift feud -- "She started it" TAGS: Jennifer Lopez Marc Anthony