Kristen Bell is a plastic Barbie doll .
She has since appeared in a number of comedy films , such as Couples Retreat -LRB- 2009 -RRB- , When in Rome -LRB- 2010 -RRB- , You Again -LRB- 2010 -RRB- , and The Boss -LRB- 2016 -RRB- .
Kristen Bell