Christina Aguilera turns 27 today. Pregnant Aguilera has a lot to celebrate. With her latest album “Back to Basics” being a real big success selling over 4.2 million copies worldwide, her winning the Best Female Pop Vocal Performance at the 49th Grammy Awards. For the coming here, there will be obviously a baby for Aguilera and hubby, Jordan Bratman. Also, mayor of Hollywood, John Grant announced that Aguilera will receive a star in the Hollywood Walk of Fame in 2008.