Article continues below advertisementBarbara Corcoran is showing everyone that confidence has no age limit.The Shark Tank star, 76, flaunted her toned figure in a bright green bikini while soaking up the sun at the beach. In the playful Instagram snap, she smiled while holding up a blue towel as waves crashed behind her.Article continues below advertisementSource: @barbaracorcoran/InstagramBarbara Corcoran showed off her figure in a tiny green bikini at the beach.