Rihanna: ‘I Used to Sing ‘Vision of Love’ in the Shower’

In this commercial promoting the 51st Annual Grammy Awards, Rihanna lists Madonna, Whitney Houston, and Mariah Carey among her musical and style influences.

“I used to sing [Mariah’s] ‘Vision of Love’ all the time in the shower, using my toothbrush as my microphone,” says the singer, who will perform at Sunday’s show.