Kaley Cuoco just gave herself major body envy. The 35-year-old "Big Bang Theory" alum zero'd in on her own abs last night, posting a photo from way back and seemingly missing how she onced looked. On Tuesday evening, the sitcom star posted a quick Instagram story from her days on TV series "8 Simple Rules," and it looked like the rock-hard abs from days gone by were sending out some fitspo. Kaley starred on the ABC sitcom from 2002-2006. See the shot below!