Jurassic World
If you watched Jurassic World, you must recall the smooth between Owen Grady and Claire Dearing. Even though the script did not call for a kiss between Chris Pratt and Bryce Dallas Howard, it was planned out beforehand. The only person who was surprised by this was the actress.

Jurassic World
She Was Not Informed
On the last day of taping, the director asked Chris Pratt to maybe kiss his costar for the final take. However, they did not give Howard a heads up about it. As a matter of fact, the plan was to surprise her with a kiss! The kiss was performed in front of 200 audience members and made it to the final cut of the film.

She Was Not Informed