Well, she was one of the spice girls

With the group, they sold over 88 million albums.  

Then she had a solo pop music career, during which she scored four UK Top 10 singles.

After that, she became internationally recognised and photographed style icon. She has a full line of clothes, sunglasses, fragrance, handbags and jewelry. Her line made over 60 Million Pounds last year.  In November 2011, Beckham was awarded the "Designer of the Year" gong at the annual British Fashion Awards.

In addition, Beckham has released two best-selling books; one her autobiography, the other a fashion guide.

And let's not forget she married a hot soccer star. 

So that's what she did, hope it answers your question. :)