The 25-year-old actress and newlywed was seen rehearsing a kissing scene with costar Barry Watson.
Earlier in the week, Blake was toasted on set and received many congratulations on her marriage to Ryan Reynolds.
A source dished to People that one of the show’s producers “said, ‘Someone got hitched!! Mazel tov!’”
To which Blake replied, “‘I know, I heard,’ and then laughed and said, ‘Thank you so much!’”