It's obvious that Jessie's hand is not stuck on Chesterfield's arm because she can been seen moving it, and her palm can also be seen. If her hand was really glued to Cheterfieild's arm, her palm wouldn't be seen.
Mrs. Rhoda Chesterfield: Not so fast! No one is going anywhere until we go upstairs and punish the guilty party! You two can go to your little movie next week.
Jessie Prescott: But it's a Jennifer Aniston movie! It won't be in theatres next week!