, aka Kelly Kapowski, looks just as adorable now as she did as a teen heartthrob on Saved by the Bell
in the '90s. For more than a year and a half, Tiffani, 37, has been working with celebrity trainer and nutritionist Kathy Kaehler, who also helps stars like Julia Roberts. "Tiffani has found that by cooking meals at home on a regular basis, she is consuming fewer calories, salt and fat," Kathy tells In Touch
. Tiffani, ...