I work on the basis Kamila has bigger tits and the longer name of the two if that helps.
Edit: just realised their names both have the same number of letters but with kamila having 3 syllables I think of it as being longer.
Not been on this site for long but it appears to me not only do they know where the cameras are they know where to go out of sight as well. Just watched the girls get up at K&K party and pretty welll all the visitors avoided getting caught changing