She performed uncredited revisions on the script to Knight and Day (2010). Having previously worked with Cameron Diaz on What Happens in Vegas (2008), Diaz recommended her to punch up her character in the script, but did not receive any credit.
It's harder and harder to make a well-done romantic comedy these days because the conventions have been so played out. Audiences know exactly what's coming and they know from the beginning of the movie that everything's going to be OK and there will be high jinks that will get you from the beginning to the end, and eventually all the misunderstandings will be worked out and everyone will be in love.