Journalist Rita Cosby alleged in her book, Blonde Ambition: The Untold Story Behind Anna Nicole Smith's Death'', released on September 4, 2007, that Smith's nannies revealed that a sex tape existed of Stern and photographer  Larry Birkhead engaged in a homosexual relationship. However, a lawyer for the nannies threatened to file suit, claiming that the nannies never spoke about such an encounter between Stern and Birkhead.
Journalist Rita Cosby claimed in her book "Blonde Ambition: The Untold Story Behind Anna Nicole Smith's Death" (released September 4, 2007) that Anna Nicole Smith's nannies revealed a sex tape of Larry Birkhead and Howard Stern engaging in a homosexual relationship. However, the nannies' lawyer threatened legal action, stating they never discussed such an encounter between Stern and Birkhead.