Christina Aguilera's marriage is hanging by a thread after she openly flirted with a string of mystery men on a recent night out — right in front of fed-up hubby Jordan Bratman, NW reports

.Christina Aguilera's marriage hanging by a thread?

While this should be a happy time for Christina and her husband after welcoming their first son Max in January, tensions have reached boiling point as the singer continues to party and socialize in a bid to resurrect her career.

"Jordan's sick to death of her partying," says a friend. "It's causing a huge strain on their marriage. He's at his wits' end and he doesn't know what to do."

"Christina was so smashed she started flirting with a couple of hot guys right in front of her husband," says a shocked onlooker. "She was whispering with one guy and rubbing up against another!"

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