What Janet Jackson video did Jennifer appear in?

5 movies:

*Poetic Justice 1993

*Nutty Professor II: The Klumps 2000

*Why Did I Get Married? 2007

*Why Did I Get Married Too? 2010

and in 2011 she is staring in another film called:

*For Colored Girls Who Have Considered Suicide When the Rainbow Is Enuf