(Reuters) - American singer Bobby Brown has remarried in Hawaii, four months after the drowning death of his ex-wife Whitney Houston, People magazine reported on Tuesday. Photos of Brown, 43, a member of the New Edition band, his new wife and manager, Alicia Etheridge, and their wedding party were posted on Instagram by the singer's teenage son, Bobby Jr. People magazine said the couple tied the knot on Monday, a day after Brown performed a New Edition concert in Honolulu. ...