It's astonishing that there's a third film in this deeply unfunny series (I skipped Part 2). But at least it's undemanding to watch, with its by-the-numbers plot, paper-thin characters and cheesy sentimentality.

After witnessing a murder, FBI agent Malcolm (Lawrence) takes his 17-year-old rapper-wannabe son Trent (Jackson) undercover with him: Malcolm again becomes Big Momma, while Trent enrols in a girls' performing arts school as Charmaine.

While Malcolm plays housemother while seeking evidence needed to lock up the Russian killer (Curran), Trent hangs with the girls, falling for a musician Haley (Lucas). And the school maintenance man (Love) falls for Momma.

Continue reading: Big Mommas: Like Father, Like Son Review