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Emmy Rossum

Similar to Jackson’s situation, news of actress Emmy Rossum’s marriage only came out when she her husband of a year and a half, music exec Justin Siegel (whom the world thought was her boyfriend), filed for divorce in 2007. The “Shameless” star was just 22 years old at the time. “Everyone messes up in relationships and has peaks and valleys in their personal lives," Rossum told InStyle Hair earlier this year. "When I realized it wasn’t the end of the world and I would keep on standing, I knew it was going to be OK.”

Secret Celebrity Marriages

From Rosie O'Donnell to Janet Jackson, check out celebs who kept their marriages under wraps. – By Lizbeth Scordo,

omg! staff