Justin Timberlake & Jessica Biel Get Affectionate at Southern Hospitality (PHOTOS)

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Justin Timberlake and Jessica Biel are back on again. The couple packed on the PDA on Wednesday night at Neuro’s “One Night Only” party at Southern Hospitality BBQ on the Upper East Side. The pair seemed very happy and in love, as they mingled with other notable guests, who included Elton John.

Throughout the night, Justin and Jessica were not shy about showing affection, as JT kept his arm around Jess most of the night.

“They were cute together and seemed happy and natural. They stayed by each others’ side the whole night,” an onlooker tells Celebuzz.

Last week, the couple packed on the PDA at the In Time premiere in Los Angeles. Jessica didn’t hit the press line, but was by her on-again boyfriend’s side for his red carpet premiere. Following the screening Biel and JT arrived together at the film’s after-party.

“There is no doubt they are back together and couldn’t have looked more in love,” a friend to the couple at the party told us.

The duo quietly reunited over the summer after officially announcing their split after four years together in March.

Could Jessica and Justin stay together after all? Sound off in the comments.