Lady Gaga has wished her fans a Merry Christmas

The 'Poker Face' singer – who became a worldwide celebrity this year thanks to her debut LP 'The Fame' which sold more than eight million copies – thanked her fans for their love and support and wished them a very happy festive holiday.

The 23-year-old pop star wrote on her twitter page: "Merry Christmas, Ill love you + make music 4ever, never give up on ure dreams. Thank u for never giving up on me. On a date w Johhnie walker (sic)."

Lady Gaga – whose real name is Stefani Germanotta – also said she couldn't believe how successful 2009 had been for her.

She added: "Tonight for xmas, they told me december marks 1 year since the fame was released, and today we are 8 million albums sold. I love u monsters (sic)."

Lady Gaga – who always refers to her fans as her "monsters" - recently described her followers as the most loyal fans in the world.

The singer – who recently released second album 'The Fame Monster' - said: "My fans are f***ing really smart - they're art students, they're club kids, and some of them are just normal top 40-listening kids in high school who don't feel like they have an identity yet and they're searching for one."