Adele has scored a fourth week at the top of the U.S. pop charts.
Someone Like You, which is the Hot 100's first number one featuring a vocalist backed only by piano accompaniment, keeps Maroon 5's Moves Like Jagger off the top of the countdown. Foster the People's Pumped Up Kicks stays put at three.
Rapper Snoop Dogg has been given an extra special 40th birthday - his collaboration with Wiz Khalifa, Young, Wild & Free, debuts at 10.