Actress Kaley Cuoco, known for her role as Penny in "The Big Bang Theory," surprised fans with a pixie cut during the show's eighth season in 2014. The decision was initially exciting but eventually became a regret for Cuoco due to the additional styling time. Fans had mixed reactions to the dramatic change, but it symbolized Penny's character evolution on the show. Despite the challenges, Cuoco's bold decision showcased her willingness to take risks in her artistic journey.