'American Idol': Jason Castro gets soapy, big turnout in Nashville and more

jason-castro-bold-beautiful.jpg Zap2it's one-stop post for all your "American Idol" alumni news for Thursday, July 15.

Jason Castro is coming back to your TV. On July 29 and 30 he will guest star on "The Bold and the Beautiful" on CBS. He'll be a part of Oliver's (Zack Conroy) attempts to romance Hope (Kimberly Matula). [ CBS]

The Season 10 auditions kicked off July 15 in Nashville. Over 10,000 people showed up on Day 1, according to judge Ellen DeGeneres. Since they lowered the age, we wonder how many of those people are 15 year-olds. [ Twitter]

The Miss America pageant is welcoming "American Idol" semifinalist Arianna Afsar. Arianna was in the Top 36 of Season 8 with Adam Lambert and Kris Allen and was just recently crowned Miss California 2010. [ NY Post]

What do the "American Idol" producers look for in a contestant? [ USA Today]

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Photo credit: CBS