Which entertainment-fashionista-Jane of all Trades, who's worried that her fame might be fleeting, gave this quote:
"I wake up every day and I worry that it all might end; you just never know in this industry. No matter how successful you are, this is Hollywood - it's unpredictable. But it is this that motivates me just to keep working harder."
Is it... Jessica Simpson Hilary Duff Jennifer Lopez Gwen Stefani Take a guess and check back later for the answer!