Christina Aguilera has congratulated fellow Latino artist Ricky Martin after he announced he is father of twin boys. The ‘Beautiful’ singer, who became a mother of Max Liron in January, told UsMagazine.com, "Congratulations! It is the best thing you will ever do in your life. I'm sure he is such a proud papa!" Christina also said she is desperate to have more babies. "(Being a mother) just gives you a whole new sense of purpose, and it's just the most amazing thing. I was in awe of the entire experience of pregnancy; the entire journey was just incredible," she added.