She was ACTUALLY the one being filmed, and it IS just for a movie, not actual boy (that'd be weird), but she does look scandalously good in that pixie cut!
Kristin was busy on the set of The Boy Next Door, and we can totally see how she'd be the object of desire for any teenage boy/any Wicked fan!
Strut your stuff, Glinda! You'll always be Popular with us!
Ch-ch-check out more onset photos (below)!!!
[Image via Cousart/JFXimages/WENN.]