Kaley Cuoco is an American actress, author, and television show host. She is best known for her role as Penny on the CBS sitcom The Big Bang Theory. Kaley Cuoco has been in the news lately because her personal photos were hacked and leaked online. However, with these recent events, Kaley Cuoco has become one of social media's most talked about celebrities. This post will take you through some of Kaley Cuoco's hottest bikini photos to show you what all the fuss is about.