Congratulations to Sir Elton John and David Furnish on their expanding family!The Grammy winner and his partner welcomed a new baby, Elijah Joseph Daniel Furnish-John, last week via surrogate, Hello! confirms. The tot is the second child for the couple – their son Zachary is two years old."Both of us have longed to have children, but the reality that we now have two sons is almost unbelievable,” the pair told the British magazine. "The birth of our second son completes our family in a most precious and perfect way. It is difficult to express how we are feeling at this time; we are just overwhelmed with happiness and excitement.”John, 65, and Furnish, 50, threw journalists for a loop last week when reports that they had become fathers for a second time first surfaced. Agencies