GRAMMYs: Brandi and Tish Cyrus Preview Miley’s Flowers Performance (Exclusive)

Tish and Brandi Cyrus chat with ET on the red carpet at the 66th Annual GRAMMY Awards, which air Sunday on CBS and Paramount . The mother-daughter duo talks about their podcast, ’Sorry We’re Stoned,’ and previews Miley’s GRAMMYs performance of ’Flowers.’