Brittany Cartwright’s former publicist, Lori Krebs, gave her a last-minute heads-up about her relationship with her estranged husband, Jax Taylor, before it made headlines. “She sent me a text message morning of — two hours before the TMZ photos came out — and let me know ‘things have changed’ and that she knows I will feel betrayed,” Cartwright, 37, revealed on Wednesday’s episode of “Watch What Happens Live.” The Bravolebrity then recalled Krebs telling her how much she loves her and her 5-year-old son, Cruz, whom she shares with Taylor, before insisting that “she’s never told Jax anything” discussed during their years of friendship…









