Grammy viewers were hoping for a surprise performance from pregnant Beyoncé, and she delivered.
The superstar, who recently announced she's expecting twins, performed two songs from her album "Lemonade" during a nine-minute artistic set that celebrated motherhood.
Wearing a golden crown and surrounded by more than a dozen dancers, Queen Bey moved gracefully through "Love Drought" and "Sandcastles" -- at one point, pulling off a gravity-defying chair stunt.
