Source: Bang Showbiz NewsVictoria Beckham took a tour of four luxury mansions in London in order to find the perfect family home for her family.The Spice Girls singer has been spotted viewing luxury properties in the UK, just five days after her Los Angeles Galaxy star husband David announced he was leaving his American football team.The 38-year-old fashion designer - who has children Brooklyn, 13, Romeo, 10, seven-year-old Cruz, and 16-month-old daughter Harper with David - was chauffeured in between four different South London mansions in a silver Range Rover.A source told The Sun newspaper: "Wherever [David] ends up, a house in the capital is a perfect investment. It means Victoria can be close to her blossoming fashion business. And the schools are among the best in the world."The viewings included a four-storey 17th century house worth £9 million and a renovated £6 million pad near TV chef Gordon Ramsay's family home.Victoria also visited a lavish Grade II listed building near the Thames, which is on the market for £18 million and features seven bedrooms, a wine cellar and gym. However, the stylish star is said to have been completely won over by the fourth property, a £10 million mansion which was rented out by Brad Pitt and Angelina Jolie last year.The source added: "She fell in love with it straight away. It was the most secluded out of all of them."