But even before the *NSYNC reunion, Joey has been partying like a single man for quite some time: According to a new report in Star magazine, the 36-year-old has separated from his wife and high school sweetheart, Kelly Baldwin.
Kelly and Joey have been living apart since February, according to the magazine.
"They pretend Joey is traveling for work, but really he just stays with friends," a source claims, adding that they're trying to keep their struggles quiet for the sake of daughters Briahna, 12, and Kloey, 3.
Allegations of infidelity have dogged the couple since 2007, when Joey was accused of having an affair with a fellow contestant on Dancing with the Stars. And when he returned for the all-star season in the fall of 2012, Star claims, his behavior was even more like that of a bachelor!
Joey "flirted with women as if he was a single guy and he never wore his wedding ring," a fellow guest at the season wrap party at Mixology 101 tells Star. "When everyone wanted to go home at the end of the night, he desperately tried to keep the party going."
Since then, it's only gotten worse, according to the report.
Kelly, who has quietly started dating someone new, did not deny the news when approached by Star, and said, "I really don't want to talk about this."
For more inside details on how they're coping as their marriage crumbles, pick up the latest issue of Star, on stands now!