Kaley Christine Cuoco (born November 30, 1985) is an American film and television actress and singer. She first came to attention for her role as Bridget Hennessy on the Emmy Award-winning sitcom 8 Simple Rules. She later starred as Billie Jenkins on the final season of the supernatural drama series Charmed. She gained international acclaim and recognition for her current role as Penny on the Emmy and Golden Globe award-winning comedy series The Big Bang Theory, which became the highest rated comedy on television among adults 18-49 for the 2009-10 season.
Cuoco was named #77 on FHM-Us' 100 Sexiest Women in 2005 and #21 in 2008.
Cuoco revealed she was in a two-year relationship with The Big Bang Theory co-star Johnny Galecki (Leonard). They met on the show and kept their relationship private until they broke up and remained as friends.
Cuoco is now dating Christopher French of the indie rock band Annie Automatic. After her accident, they both recorded the song "Somewhere Over the Rainbow" in support of the Humane Society of the United States.
In 2011, Cuoco appeared in Allure Magazine's "Naked Truth" feature. The photograph was taken by Patrick Demarchelier and the issue was released in April of that year.