They are actually Brittany and Alex Smith. Former child stars that played one character on "One Life to Live." They have (very small) IMDb pages at http://www.imdb.com/name/nm0807542/ (Brit) and http://www.imdb.com/name/nm1321838/ (Alex).

> > I would like to know the names of the two girls on the sheer blonde commercial and if they are the ones really singing and if there are other songs by them - on video
>
> follow this link:
>
> http://www.firstbornmultimedia.com/websites/056_frieda_sheer_blonde/flashContent.htm
>
> The girls' names are Alex and Brit. Apparently they do sing this song,,, or at least so they say.....