Melissa joan hart pics - Melissa Joan Hart on IMDb: Movies, TV, Celebs, and more...

The actress looked gorgeous in all of her holiday snaps, flaunting her toned figure in an array of stylish swimwear and looking better than ever.

Melissa's actual birthday was on April 18, and the star celebrated her 'fab 40' surrounded by her loved ones, including her husband Mark Wilkerson and their three sons, Mason, 10, Braydon, eight, and Tucker, three.

 In 1991, Hart starred in Clarissa Explains It All, the Nickelodeon series dealing with the everyday life of a teen girl.

Whether she was introducing fans to her friends, zip lining, or diving into the Hoyo Azul cenote, it's clear Melissa was having the time of her life.