On 60 Minutes Sunday, CBS correspondent Steve Kroft profiled R&B superstar Beyonce on the road and backstage in an attempt to identify what makes the pop star one of the world’s most successful entertainers.

Beyonce, the top Grammy nominee with 10 bids, locked in an early lead at Sunday’s ceremony. Her Grammys so far are for: song of the year for her hit, “Single Ladies (Put a Ring On It),” best R&B song for “Single Ladies,” best R&B contemporary album for “I Am … Sasha Fierce,” best R&B female vocal for “Single Ladies” and best traditional R&B performance for “At Last” from the movie “Cadillac Records.”