London, Nov 15 (ANI): Coleen Rooney, wife of footie ace Wayne, has revealed how she's dealing with life as a mother.

The 23-year-old admitted that she didn't realize bringing up a baby would be such hard work.

Coleen said that she had a night out for the first time since giving birth to son Kai on Nov 2.

She left him with her parents while she went to R and B superstar Beyonce's concert in Liverpool and partied in a nightclub till 2am for her best friend Clare's birthday. ayne was in Qatar preparing for England's match against Brazil.

"It's been so nice getting out with all the girls again and letting my hair down. I was dancing my legs off all night and now they are absolutely killing," the News of the World quoted Coleen as saying.

"I was feeling a bit tipsy too - after not having a drink for nine months it hits you all at once," she added.

However, Coleen admitted she missed her son.

"It's the first time I have left him on his own for this length of time but I know he's in good hands.

"I love being a mum to Kai, he is absolutely gorgeous. But I'm knackered all the time at the moment.

"I'm lucky because Wayne is so good with him and my mum's been helping out loads," she added. (ANI)