The Anna Nicole Show Anna Nicole Smith's mom says drugs could have caused death 02/09/2007 With autopsy results still pending, Anna Nicole Smith's mother Virginia Arthur said drugs may have played a role in her 39-year-old daughter's sudden death on Thursday afternoon. Read More RELATED NEWS Anna Nicole Smith's daughter Dannielynn Birkhead makes rare TV appearanceLarry Birkhead on raising Anna Nicole Smith's daughter: "She's just a regular kid"Anna Nicole Smith's daughter Dannielynn and ex-boyfriend Larry Birkhead to star in E! special TAGS: Anna Nicole Smith Howard Stern Nancy Grace