Amanda Kloots and tennis pro Justin Gimelstob made their red carpet debut at the Unforgettable Evening in Beverly Hills, Calif., on Monday, April 28. At the event, she exclusively tells PEOPLE that their relationship "happened very naturally.

Kloots, whose late husband, Broadway star Nick Cordero, died of complications from COVID-19 in July 2020, called Gimelstob a "wonderful man."

New couple alert! Dancing With the Stars alum Amanda Kloots made her red carpet debut with her new boyfriend, former tennis pro Justin Gimelstob, at the “An Unforgettable Evening” event benefitting the Women’s Cancer Research Fund on April 28,