Alexandra Burke opts for two very different outfits as she celebrates her 23rd birthday

Alexandra Burke opts for two very different outfits as she celebrates her 23rd birthday

A tale of two dresses: Alexandra Burke opts for a couple of very different outfits as she celebrates her 23rd birthday

3:19 PM on 26th August 2011

Two in one night: Alexandra Burke started out in a grey mini dress that showed off her toned legs, but later opted for a floor-length Grecian number Two in one night: Alexandra Burke started out in a grey mini dress that showed off her toned legs, but later opted for a floor-length Grecian number

Two in one night: Alexandra Burke started out in a grey mini dress that showed off her toned legs, but later opted for a floor-length Grecian number

Happy Birthday to you!: Denise Van Outen leads a singalong at the party held at north London club Gilgamesh last night

Happy Birthday to you!: Denise Van Outen leads a singalong at the party held at north London club Gilgamesh last night

Celebrity friends: Alex was joined by a number of famous faces as well as her friends and family

Celebrity friends: Alex was joined by a number of famous faces as well as her friends and family

Chippidy Chip: The rap star poses with the birthday girl

Chippidy Chip: The rap star poses with the birthday girl

The Only Is X Factor: The singer was joined by TOWIE star Lauren Pope herve ledger

Rocking! Alexandra parties the night away while right, TOWIE star Lauren Pope rocks a Herve Leger bandage dress

Boys

Boys” night out: One Direction had a great time at Alex”s birthday party

Have your cake and eat it: Alex admires her stack of cupcakes

Have your cake and eat it: Alex admires her stack of cupcakes

Sparkling celebrations: The X Factor winner is presented with a huge cupcake with large sparklers instead of candles

Sparkling celebrations: The X Factor winner is presented with a huge cupcake with large sparklers instead of candles

Showered with gifts: Gold and silver confetti covers the club during Alexandra

Showered with gifts: Gold and silver confetti covers the club during Alexandra”s birthday celebrations

Chip off the old block: Lauren posted a picture of herself with the rap star to her Twitter page

Chip off the old block: Lauren posted a picture of herself with rap star Chipmunk to her Twitter page