Rihanna crowned queen of Hollywood Halloween

Rihanna is crowned the queen of the West Hollywood Halloween Costume Carnaval at Greystone Manor in West Hollywood, Calif. (AP)

Rihanna (AP)

Rihanna (AP)

Rihanna is crowned the queen of the West Hollywood Halloween Costume Carnaval at Greystone Manor. (AP)

Rihanna (AP)

Rihanna poses after being symbolically crowned queen of the West Hollywood Halloween Carnaval in West Hollywood. (REUTERS)

Rihanna is crowned queen of the West Hollywood Halloween Carnaval by former Mayor John Duran in West Hollywood. (REUTERS)