The teeny boppers might prevail.  Whatever shortcomings Jessica and Joshua might have, they can do one thing that Phillip can't.  Sing.  Usually important in a singing contest.  The supposed judges never give Phillip the kind of real critique he deserves, but it probably doesn't matter.  I can see people buying tickets to watch Josh or Jessica in a setting where they don't have to try to be over the top on every song.    Phillip couldn't go over the top in a barrel on Niagara Falls.  He just is not very good as a solo singer.