Fame might look like a shortcut to fortune, but many stars say it’s anything but.Behind the designer clothes, red carpets, brand deals and million-dollar smiles, countless celebrities have opened up about the crushing financial realities of life in the spotlight.At the crux of the issue is that celebrities become a product in and of themselves, responsible for financing and managing their own brand.From Sydney Sweeney worrying about paying her mortgage to Sharon Stone footing $3,000 dinner tabs