Nina Agdal teases her taut abs in hot pink after yoga with beau Jack Brinkley-Cook in the Hamptons

Nina Agdal cuts a trim figure as she heads to a yoga class with her boyfriend Jack Brinkley-Cook

Nina Agdal looks stunning as she shows off her slender physique in Instagram snap

Nina Agdal and Molly Sims are leading style stars at Rachel Zoe's Curateur event in East Hampton