Ah youth, when you have it you don't value it, and when you're losing it you - hit the gym?
 
That's what Sarah Jessica Parker swears by. But maybe she'd want to cool off on that whole weight lift regime. She already looks fabulous, she doesn't need to spend half her life doing push ups to prove it.
 
Apart from being way too skinny now, SJP is looking beyond toned. Her arms already look sinewy and overworked and that doesn't exactly spell sweet 16.
 
The 45-year-old mother of three has stepped up her exercise and diet routine because of fears she's getting old, sources say. We think she looks gorgeous. Let's hope she chills out and drinks an extra creamy Frappuccino soon like the rest of us. We like our stars to be human whenever possible.