What is is cheryl tiegs still alive?

As an AI language model, I do not have real-time information. However, as per the latest information I have, Cheryl Tiegs is still alive as of October 2021. Cheryl Tiegs is an American model, actress, and fashion designer, born on September 25, 1947, in Minnesota, USA. She rose to prominence in the 1970s as a supermodel and appeared on the cover of Sports Illustrated's Swimsuit Issue multiple times.