Spring cleaning might also mean making a change to your style, and that's what Kaley Cuoco has done. The big bang theory star has decided to add some hair extensions to her look and bring back old Kaley. She took to instagram to document the change, saying "It's very important for me to change my look after wrapping each season. I love playing Penny, but it's good for me to bring it back to Kaley," She snapped the pic looking joyful and using a selfie stick. Sooooo 2016