Kevin Federline

One of the most notorious pop culture figures of the 2000s, Kevin Federline became an instant superstar when he married Britney Spears. Federline's immediate fame led to the reality TV show Chaotic, which documented the early days of the couple known as "Spederline," and also to the launch of his own career as a rapper and actor. Before meeting Spears, Federline -- aka K-Fed -- worked as a pizza delivery boy and a dancer, performing in the live shows of pop acts such as Justin Timberlake, Pink, and Michael Jackson, and danced in the 2004 movie You Got Served. That year, Feder...