In the pic with the white dress which i think is Target, and CL shoes and a Balenciaga handbag.
Links:
[1] http://img180.imagevenue.com/img.php?loc=loc455&image=02786_TCC_CC_tlfan_Nicky_Hilton_1_122_455lo.jpg
[2] http://img211.imagevenue.com/img.php?loc=loc584&image=02787_TCC_CC_tlfan_Nicky_Hilton_2_122_584lo.jpg
[3] http://img37.imagevenue.com/img.php?loc=loc1080&image=19301_Nicky_Hilton_-_the_Rogan_for_Target_clothing_line_debut_in_Beverly_Hills_CU_ISA_150508_2_122_1080lo.JPG
[4] http://img17.imagevenue.com/img.php?loc=loc613&image=07849_Nicky_Hilton_2008-05-15_-_At_Fred_Segal_in_West_Hollywood_843_122_613lo.jpg
[5] http://img106.imagevenue.com/img.php?loc=loc866&image=07855_Nicky_Hilton_2008-05-15_-_At_Fred_Segal_in_West_Hollywood_957_122_866lo.jpg