The Facts of Life's Kim Fields has joined Lionsgate's ensemble What to Expect When You're Expecting, based on the bestselling pregnancy-book series.

Kim Fields joins Cameron Diaz, Brooklyn Decker, Elizabeth Banks, Jennifer Lopez, Chris Rock and Anna Kendrick in the film.

Kim Fields will play a social worker who helps out a couple with an adoption. This is the actress's first studio feature.

No production date has been set.