Complex sentence: Tiffani Amber Thiessen (born January 23,1974) is an American actress, best known for her roles as Kelly Kapowski in "Saved by the Bell" and as Valerie Malone in "Beverly Hills, 90210".
Split into simpler sentences: Tiffani Amber Thiessen (born January 23,1974) is an American actress. She played Kelly Kapowski in "Saved by the Bell" and Valerie Malone in "Beverly Hills, 90210".