A brand-new season of 1000-lb Best Friends is officially here and tensions are brewing between Vannessa Cross and her co-stars. She, Ashely Sutton, and Meghan Crumpler discuss their issues over smoothies during episode 1. But, all the friendship woes shouldn’t distract away from Vannessa’s remarkable 273lb weight loss. The TLC network has seen many weight loss success stories over the years. From 1000-Lb Sisters stars Amy and Tammy Slaton dropped hundreds of pounds to Dr Younan Nowzaradan’s clients turning their lives around on My 600-Lb Life. Now, 1000-Lb Best Friends star Vannessa debuts a t…