http://pics.teengirl-pics.com/cache/r/120x120/Hi-guys-can-someone-help-ID-them-502791.jpg
http://www.imagebam.com/image/f75329539253726
yes they are Alexis and Heather NNmodels.
http://nnmodelblog.com/heather-alexis-modeling-dvds-bubbles/index.html