Lady GaGa's first ever single, Just Dance, has held on to the top spot for the second week running.
But that's not all the 22-year-old New Yorker's got to be happy about - her second single, Poker Face, has also entered the charts at number 30.
Meanwhile, she is also enjoying success with her album Fame, which is at number three in the album charts.
But it wasn't such a good week for X Factor winner Alexandra, as her single Hallelujah fell to number six.
James Morrison and Nelly Furtado's Broken Strings fell one place to number three.
The Script are top of the album charts
And another X Factor winner, Leona Lewis, saw her single Run drop five places to nine.
In the album charts, Kings of Leon lost the top spot to The Script.
The Irish trio's debut album, also called The Script, climbed five places to take the top spot.