Vroom or bust: It took a sweet ride and a rising star — or two — to build a blockbuster from a half-baked idea and the ashes of multiple flops.

Turning an unknown into a superstar and revamping the rom-com rules amid many rewrites, this megahit's success still leaves insiders pretty shocked.

Life is like a box of chocolates — or a charming script unearthed by chance. Despite casting and budget woes, this humble tale became a '90s classic.