Jennifer Lopez and Casper Smart spotted kissing on set of American Idol

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The American Idol judge, 45, and the choreographer, 27, were photographed kissing backstage on the set of American Idol on Wednesday. (See the photo)

The two reportedly split up last year somewhere in the summer after 21 months of dating.

Last year in June, Jennifer Lopez revealed in an interview on The Wendy Williams Show that her separation from Casper had happened some time before their official announcement.

“Yes, I’ve been single for a couple of months,” J.Lo. replied when host Wendy Williams asked her “to set some rumors straight” regarding her love life, and wanted to know if she was single, as in “not intimate with anybody at this time.”

E News! recently reported that the pair are not in a relationship again, but that they are “very good friends.”