HOW WITCH ARIANA UPSTAGED AMANDA

Mamma Mia standout AMANDA SEYFRIED, 36, reveals she “literally bent over backwards” to nab a witchy dream role in a big movie adaptation of Broadway musical Wicked — only to be sidelined by spellbinding songstress ARIANA GRANDE, 29! Dishing she’d been “campaigning for Wicked for five years” after KRISTIN CHENOWETH first played Glinda, the Les Misérables songbird’s dream of playing the glittery good witch fell flat when Thank U, Next pop star Ariana bewitched producers! That’s showbiz.