(From left) singer-songwriter Lady Gaga, Jada Pinkett Smith, Host US singer-songwriter Alicia Keys, former US First Lady Michelle Obama and US singer Jennifer Lopez speak on stage during the 61st Annual Grammy Awards on February 10, 2019, in Los Angeles.
LOS ANGELES: Michelle Obama made a surprise appearance on the Grammys stage Sunday to deliver a message of women's empowerment alongside superstars Lady Gaga, Jennifer Lopez, host Alicia Keys and actress Jada Pinkett-Smith.