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Insiders close to Usher tell Life & Style that the R&B crooner will wed his pregnant fiancée Tameka Foster on Saturday, July 28, at the home of record honcho L.A. Reid in Wainscott, Long Island â€" and Life & Style has all the details!

"The guests are already on their way. It's on!" says one insider. "They want to keep it top secret, so the guests will take a bus from a decoy location and then they will be ...