Carrie Underwood is the latest celebrity to to launch a beauty line: the country singer will collaborate with Nicole by OPI on a line of nail polishes. ??? via InStyle Get a sneak peek of CoverGirl???s Hunger Games makeup collection. ??? via Beauty High New mom Shakira shows off her abs on the September cover of Self magazine. ???I did Zumba throughout my pregnancy,??? the singer says. ???That hel