Beyonce v Adele at Grammy awards

The music world gathers on Sunday for the Grammys with the top awards a choice between a new, edgier Beyonce and the time-tested ballads of Adele.

The televised bash from Los Angeles could also have political fireworks as many artists are outspoken critics of United States President Donald Trump.

But the enduring picture from the Grammys may turn out to be Beyonce, who is expected to make her first public appearance since revealing that she is pregnant with twins.