Kyle Richards is looking better than ever! The Real Housewives of Beverly Hills star, 55, took to her Instagram Story on Tuesday, March 26, to show off her fit physique in a light green bikini and her signature cowboy hat. The sultry snap comes as Richards recently sat down with Kelly Ripa for an episode of the latter’s “Let’s Talk Off Camera” podcast, where she slammed her costars on the hit Bravo show for prying into her marriage to Mauricio Umansky prior to their separation. “The way they came at me, it was not from a loving place or a friend that said, ‘Do you need someone? Are you OK? Is …