Her cover of The Kings Of Leon's hit Use Somebody - available as an iTunes exclusive - also enters the chart, debuting at number 52 on sales of 4,409 downloads.
18-year-old Lott is the youngest British female to launch her career with a number one since Billie Piper topped the chart with Because We Want To in 1998, at the age of 15.
Mama Do (Uh Oh, Uh Oh) is taken from Lott's upcoming album Turn It Up, and was ...
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