Research and Planning: IMDB research

I have had a look on the IMDB website to see which rom-coms are most popular here are some of the lists that the search returned:

I noticed that there is a good balance between the romance and the comedy non of them have more romance than comedy or vice versa. I also noticed a recurring pattern of actors e.g. Sandra Bullock, Julia Roberts who might often be involved with Rom-Coms