Randi Mayem Singer
Twentieth Century Fox Home Entertainment
Through a series of misunderstandings, Alvin, Simon, and Theodore come to believe that Dave is going to propose to his new girlfriend in Miami, and dump them. They have three days to get to him and stop the proposal, saving themselves not only from losing Dave but possibly from gaining a terrible stepbrother.
A divorced father who wants to spend more time with his children disguises himself as a British nanny and applies for a housekeeping job in his ex-wife's home. Free to be the "woman" he never knew he could be, he soon creates a whole new life with his entire family.