close Video Saved by the Bell’ star Tiffani Thiessen explains why she’s not returning for reboot ‘Saved by the Bell’ star Tiffani Thiessen explains why she’s not returning for reboot, reveals what her relationship is like with Mark-Paul Gosselaar today. Tiffani Thiessen isn’t returning to Bayside anytime soon. The 45-year-old, who famously played Zack Morris’ high school crush Kelly Kapowski in “Saved By the Bell,” won’t be appearing on the upcoming reboot of the hit sitcom alongside her on-screen beau (played by Mark-Paul Gosselaar ). But the actress has plenty of things on her plate these days. In addition to starring on Netflix’s “Alexa & Katie,” the “Beverly Hills, 90210” alum recently published a children’s book alongside her husband Brady Smith titled “You’re Missing It!” and is a proud hands-on parent to their two children: Harper, 9, and Holt, 4. The TV chef and cookbook author also recently partnered with Maple Hill Creamery to raise awareness on the benefits using grass-fed milk. Thiessen spoke with Fox News about why she’s totally fine not appearing in the “Saved By the Bell” reboot, what her relationship is really like with Gosselaar today and how she discovered her passion for cooking. ‘SAVED BY THE…