I think she uses velcro rollers, after your hair is freshly washed and dryed. Roll your hair up w/ the rollers, secure w/ a pin and let set for about 20 min and you'll be all set.
To get the look you desire you may have to try several different ways that you put the rollers in your hair. I have naturally curly hair and this is what I do na my hiar looks like Meg's