Tamar Braxton isn't sure where she stands with her older sister Towanda Braxton ahead of her magical wedding day. In Us Weekly's exclusive sneak peek of the Friday, October 17, episode of The Braxtons, Tamar, 48, reveals that she was invited to celebrate her family member's upcoming nuptials in Tulum, Mexico. "First of all, when I got the invitation, I had not talked to Towanda in a month and 10 days," Tamar claims in the preview. "I've told you all before that the only time I hear from Towanda is when we filming. That is not a lie.