Jennifer Lopez is a single woman after all. Even though the actress and singer was spotted getting cozy with her ex-boyfriend Casper Smart this past week, a rep for the Hollywood star says that the two are friendly, but definitely not dating.

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According to TMZ on Friday, the ex-lovers were spotted out and about in Los Angeles. Smart was at the Z Zegna & GQ event in Hollywood, where he hung out with Nick Jonas. Sources say that Lopez was quietly waiting in a car outside of the event for him, while trying to keep things on the down low.

Eyewitnesses further say that Lopez and Smart then went to Hotel Café in Hollywood, where they were caught by the paparazzi.

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Gossip Cop though confirms that the couple is definitely not an item again.

Just last month, there was also rumors floating around that Lopez was hooking up with her The Boy Next Door co-star Ryan Guzman.

According to Page Six in January, Lopez and Guzman were sitting rather closely together on a couch during an after party following the Golden Globes ceremony in Los Angeles on Sunday.

An eyewitness tells the site, "At one point, Ryan moved back on the couch and then he put his arm around Jennifer." The source also said that Lopez and Guzman left the party together, too.

Lopez's rep has also went on the record to deny the story as well.