Lori Krebs

Jax Taylor got very cozy with someone who's been by his and Brittany Cartwright's side for years ... 'cause TMZ has learned the reality star vacationed in Mexico with the former couple's longtime publicist ... and we have photos of them in the pool. The "Vanderpump Rules" alum spent the weekend at…

Brittany Cartwright's transformation journey just took a major turn ... cause TMZ has learned she recently went under the knife for a full-on mommy makeover. "The Valley" star dropped the bombshell over the weekend, posting a post-op selfie showing her midsection wrapped in compression bandages…