<page_title> List of best-selling music downloads of the 2000s in the United Kingdom </page_title> <section_title> Best-selling music downloads </section_title> <table> <cell> 1 <col_header> No. </col_header> </cell> <cell> Lady Gaga <col_header> Artist </col_header> <row_header> 1 </row_header> </cell> <cell> "Poker Face" <col_header> Song </col_header> <row_header> 1 </row_header> </cell> <cell> 2009 <col_header> Year </col_header> <row_header> 1 </row_header> </cell> </table>
Lady Gaga was number one with her 2009 single "Poker Face".