Short hair, don't care!
Just look at that electric grin!
The smiley 45-year-old stunner is set to play Jennifer Lopez's petite BFF in the flick about a newly separated mother who finds herself attracted to the teenage boy who moves in next door.
When she starts and then abruptly ends their scandalous romance, he’s not ready to let her go — in a very Fatal Attraction twisty way!
This sounds very Desperate Housewives meet Revenge, and we LOVE it already!
Ch-ch-checkout more adorbzie pics of Kristin on the set (below!)
[Image via evolutionpix/WENN.]