A luxury kitchen with an island with its own sink facility is just one of the features of a 3.4 million Los Angeles mansion that has been allegedly viewed by celebrity Cheryl Cole under cover of darkness.The former X-Factor judge is said to have gone house hunting in the dark of night with her assistant and a real estate agent.The 6,000 foot three-storey home they visited has six bedrooms and four bathrooms.As well as a luxury kitchen, the property has a swimming pool, games room and multiple dining areas, as well as a huge walk-in shower in one of the bathrooms, which also boasts two sinks and a beauty worktop.