Jennifer Lopez Introduces P. Diddy To Casper Smart At Golden Globes 2013: A Look Back At Their Relationship [PHOTOS]

Jennifer Lopez and P. Diddy reunited at the Golden Globes on Sunday night, and introduced him to her new boyfriend, Casper Smart.

The greeting looked far from awkward, as P. Diddy smiled and reached out his hand to Smart during the introduction while at the Weinstein Company’s 2013 Golden Globe Awards After Party.

According to E! Online, prior to the show, Lopez even warmly embraced her ex-boyfriend, saying “Hello baby!” before heading to her seat alongside Smart.

Lopez and Diddy dated in 1999, before splitting up in 2001.

The couple broke up after Diddy was involved in a nightclub shooting in New York, and both stars were arrested. Diddy was never charged in the dispute.

The 43-year-old singer and actress spoke about the incident in a tell-all last year.

“That was one of the worst nights of my life. It was devastating for me to have lived through that,” Lopez said.

After the nightclub incident, the relationship was never the same. “It started out as something very pure and innocent. But it did get ugly -- it did get sordid.

"We did fall in love and we were very close. He became a mentor as well and he really nurtured me. But my relationship with him was always something I knew would end.”

Smart, 25, is aold backup dancer for Lopez. They have been dating since 2011.