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A report from Chicago blog These Boots Are Made For Stalking claims that singer Jessica Simpson and her footballer boyfriend Tony Romo have split.

"They're broken up," says one of Tony's pals. "He told us they broke up and that was that. We're guys so we didn't talk about it much."

Apparently the Dallas Cowboy was partying in the Windy City - at Chicago's Uncle Fatty's Rum Resort - all weekend, reports the blog.

Hmm, but we caught Jessica on Saturday night leaving Mexicali with a smile on her face...

Wonder if she was drowning her troubles away?

UPDATE - A rep for Jessica Simpson tells X17 that the couple is "absolutely still together."

Guess that clears everything up!