If you'd like an activity to do during your Marilyn Monroe sleepover party - how's about this gorgeous Marilyn Monroe paper doll by Cory Jense? Cory is a very talented artist - he displays his work on Deviantart - here's the link to his page http://cor104.deviantart.com and here is his wonderful Marilyn paper doll.
A Marylin Monroe sleepover party can include a movie marathon of Marilyn movies, lookalike makeup and lots of pink and feather boas! Think 'Hollywood Glamour!' Here is a quick YouTube tutorial you and your friends might like to follow and copy - you might need to pausse it lots of times as you go... to achieve that classic Marilyn Monroe look at your sleepover party. Remember to take many photos!