Disaster! Tamar Braxton Disses Trina Braxton For Calling Her Ex-Husband During Sisters' Dinner Date — Watch The Singer’s Shocking ‘Braxton Family Values’ Breakdown!

Trina Braxton leaves her sisters speechless when she admits she had a conversation with her ex-husband Gabe Solis in the teaser video from the July 7 episode of Braxton Family Values!

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Trina attempts to explain why she made the decision to reach out to Solis during her dinner date with her sisters, Tamar Braxton, Trina Braxton, Towanda Braxton and Toni Braxton! And though the two had an extremely messy divorce, she claims that Solis wasn't the only one to blame for their failed marriage.

WATCH: Tamar Braxton And Her Sisters Fight Over Their Mother’s Health Issues And New Family Drama In ‘Braxton Family Values’ Clip

The Braxton sisters struggle to get over the shock of Trina's reveal. But when she finally recovers from Trina’s confession, Tamar doesn’t hold much back while sharing her thoughts on the situation!

Watch Trina tell her sisters that she had a chat with Gabe in the video above!

Do you think Trina made a mistake by calling Gabe? Tweet us @OKMagazine or let us know in the comments section.

You can catch the latest episode of Braxton Family Values on Thursday at 9 p.m. EST on WE tv!