"As I mourn the profound loss of my beloved husband," Siegel wrote on Instagram, "my world was shattered again yesterday by the unexpected loss of my beautiful sister." Siegel sai

As Jackie Siegel mourns the death of her husband, billionaire timeshare king David Siegel, the “Queen of Versailles” star is also saying goodbye to her little sister, Jessica Mallery, from a drug overdose at age 43.

Queen of Versailles star Jackie Siegel’s sister, Jessica Mallory, has died at age 43 from an accidental drug overdose, according to an Instagram post shared by Siegel on Tuesday. The tragic news comes just days after Siegel’s husband, businessman David Siegel, passed away.