In May 2009, Hilton won the Female Celebrity Fragrance of the Year Award at the 2009 Fifi Awards, in July, her sixth fragrance for women, Siren, was introduced, and in August, she appeared in the fifth episode of Supernatural's fifth season.
Dibulan Mei 2009, Hilton memenangkan Female Celebrity Fragrance of the Year Award di Fifi Awards 2009, di bulan Juli, parfum keenamnya untuk wanita, Siren, diperkenalkan, dan di bulan Agustus, dia tampil di episode kelima dari Supernatural musim kelima.