Reunion Online

Ms. Hilty collaborated with her friend and trainer Dasha Libin on the event, which raised money for the Joyful Heart Foundation, an organization founded by Mariska Hargitay that helps victims of sexual assault, domestic violence and other abuse. And Ms. Libin is the creator of a workout called Kettlebell Kickboxing, which she usually teaches out of her studio on lower Broadway.

Actress Mariska Hargitay shares how she stays energized and happy every day.