Actor Chance Perdomo has died at age 27 following a motorcycle crash.

Actor Melissa Joan Hart says she helped a class of kindergartners that was fleeing the school shooting in Nashville earlier this week.

In celebration of its 20th anniversary, ET spoke with Melissa Joan Hart, who shared a series of interesting (and intimate!) Recalling that time in her life, Hart (who portrayed Nicole Maris opposite Adrian Grenier as Chase Hammond) remembered it being "so much fun." Hart said she and Grenier never hooked up, but they did have a little fun with some other people on set. Hart was featured in the pop star's music video for "Drive Me Crazy" at the time, and it's an experience she'll remember forever. RELATED CONTENT:Inside Melissa Joan Hart's Mission Trip to Zambia (Exclusive)Lifetime Announces 2019 Holiday Films Starring Melissa Joan Hart, Sarah Drew and More

Melissa Joan Hart is making sure that her passion for giving back is passed down to her three sons. Recently, Hart introduced her oldest son, Mason, to her work with World Vision in Africa -- and ET was invited along on the good works mission. "I've wanted to go to Africa since I was really little," 13-year-old Mason told ET of what sparked his interest in joining the trip. The mom of three is hoping her trip and what she's done for this village will inspire others to do the same. "What's been great about this trip is with World Vision, we've been able to go out and help so many.