Who is the blonde?

blonde
Eva
https://www.iafd.com/person.rme/perfid=eva_jm/gender=f/eva.htm

http://www.egafd.com/actresses/gallery.php/id/e0281

brunette
Nicoletta Axin here credited as Nicoletta

https://www.iafd.com/person.rme/perfid=nicolettaaxin/gender=f/nicoletta-axin.htm
in scene 1 from Uomini preferiscono Selen (2001)

https://www.iafd.com/title.rme/title=uomini+preferiscono+selen/year=2001/uomini-preferiscono-selen.htm

https://www.hotmovies.com/video/101736/Gli-Uomini-Preferiscono-Selen/

blonde
Eva
https://www.iafd.com/person.rme/perfid=eva_jm/gender=f/eva.htm

http://www.egafd.com/actresses/gallery.php/id/e0281

brunette
Nicoletta Axin here credited as Nicoletta

https://www.iafd.com/person.rme/perfid=nicolettaaxin/gender=f/nicoletta-axin.htm
in scene 1 from Uomini preferiscono Selen (2001)

https://www.iafd.com/title.rme/title=uomini+preferiscono+selen/year=2001/uomini-preferiscono-selen.htm

https://www.hotmovies.com/video/101736/Gli-Uomini-Preferiscono-Selen/

movie name Gli uomini preferiscono Selen (2001 Video)
the whole video
https://xhamster.com/videos/uomini-preferiscono-selen-10790585
all the cast
https://www.imdb.com/title/tt0203179/fullcredits?ref_=tt_cl_sm#cast
I think you are looking either for Eva or Anita Hermes but feel free to dig it up further