After nine year of marriage.. Tamar Braxton, 40, has filed for divorce from husband Vincent Herbert, 44. TMZ reports they've had a "roller coaster" relationship since a domestic dispute in 2016. Cops came to the scene after Vincent allegedly bit Tamar's finger and drew blood. No arrest was made and officials tell us it was a "verbal" dispute. Reports have also surfaced that Tamar cheated. The couple were introduced in 2003 by Tamar's famous sister, Toni Braxton. No word on custody arrangements for their 4 year old son, Logan Vincent.