LOS ANGELES (Reuters) – Kelly Clarkson, who became the first contestant to win "American Idol" a decade ago and went on to several chart-topping successes, has gotten engaged to her boyfriend, the singer said in a Twitter message on Saturday. Clarkson, 30, previously revealed she had been dating talent manager Brandon Blackstock since early this year. Blackstock is the stepson of country singer Reba McEntire. "I'M ENGAGED!" Clarkson said on Twitter. …
