Now we know why R&B singer Usher is in St. Tropez partying so hard. He’s celebrating because his divorce from Tameka Foster has been finalized, according to Jawn Murray of BV Buzz:Singer Usher Raymond is officially back to being a bachelor.BV Buzz has learned that the 30-year-old singer’s divorce from his wife, Tameka Foster, has been finalized and an agreement was reached in a pre-court settlement.