Paid PostPosted on Feb 26, 2012'American Idol' Top 24: How To Tell Hallie Day From Heejun HanMTV News breaks down this year's remaining 'American Idol' hopefuls, from Aaron Marcellus to Skylar Laine, and everyone in between.by MTVBrand PublisherLinkFacebookPinterestTwitterMail 'American Idol' Top 24: How To Tell Hallie Day From Heejun Han mtv.com