Usher filed for divorce Friday from his wife of nearly two years, Tameka Foster-Raymond, according to mtvnews.com. The petition, filed at Superior Court in Atlanta, did not give a reason for the split.

The marriage between Usher, 30, and Foster, 38, reportedly has been strained for months now. Sources have said the pair haven’t lived under the same roof for quite some time, as Usher has relocated to Nevada to work on his next solo album. Pictures and video of Usher, alongside Jermaine Dupri and others, partying in Las Vegas have appeared online in recent weeks.

Early this year, Foster suffered cardiac arrest before undergoing plastic surgery in Brazil. Upon learning of her condition, Usher canceled his performance at Clive Davis’ annual pre-Grammy gala and flew to the foreign country be to with her. Davis told the crowd at the party that Usher had to leave town due to a “serious injury in the family.” People‘s sources called the event a “brief reunion in an otherwise troubled marriage.” The couple have two sons together, Usher Raymond V, born in November of 2007, and Naviyd Ely Raymond, born last December. Foster has three sons from a previous relationship.

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