Russell was spotted taking a dip in the ocean while vacationing in Miami with her family and, while we're pretty obsessed with her floral, high-waist J.Crew bikini, we're equally as envious of her slim, summer-ready figure. The actress, who's currently starring the FX series The Americans, keeps in fit for her action-packed role with trainer and self-defense expert Avital Zeisler. E! News caught up with Zeisler to learn how Keri keeps in fighting (and bikini) shape.
"[Our workouts were all] based on real survival and hand-to-hand combat tactics that I would cover with any client," Zeisler revealed. "It is important that my students learn correct technique and concepts that are effective. I wanted her to come across authentic and showcase the combative training background that her character portrays in the show.
"I developed her combative fundamentals, like her survival stance and striking technique, which I then incorporated into full body conditioning drills that would help ingrain the self-defense concepts so that they would appear second nature in her fight scenes," Zeisler added.