X Factor 2011: Tulisa Contostavlos gets naked slave for birthday Kelly Rowland looks hot in black minidress

The X Factor  judges were in Liverpool for the second day of auditions today and there was a definite theme for the ladies’ outfits!

Yesterday Tulisa looked stunning in a red pleated dress while Kelly opted for floral Dolce & Gabana shorts – have a look at the photos. today they opted for a less summery look.

Tulisa Contostavlos, who celebrated her 23rd birthday yesterday, wore a monochrome mini-dress and matching shoes. With her hair scraped back and delicate earrings in her ears she looked polished but overdid the black and white a little!

However, we will admit that Tulisa was completely and utterly outshone by fellow judge and Destiny’s Child singer Kelly Rowland. Kelly wore a stunning, tight black bodycon dress with rivets which she teamed with ultra-high Christian Louboutins.

The auditions were being held at Liverpool’s Echo Arena. Last night the judges celebrated Tulisa’s birthday in Liverpool.

Tulisa wore head-to-toe blue for her birthday celebrations. The 80s style blue dress was flattering while the blue suede stilettos elongated Tulisa’s legs. We thought she looked cute!

The birthday girl was surprised by her fellow judges when they hired a topless waiter to serve her all day.

The singer was presented with a cake wishing her happy birthday with mini little judges on top!

Kelly tweeted a picture of the cake, adding:

‘A pretty accurate cake of the judges’ table with Gary, myself, @officialtulisa & Louis! Happy bday pudding!’

In an interview with Now magazine Tulisa admitted that she is considering places to take her finalists for the judges’ house stage of the X Factor but she thinks that she might use her grandmother’s house in Greece.

We found it difficult to decide who won the fashion competition between the two girls for the auditions yesterday but today we have  no such qualms – Kelly Rowland won without a doubt!