They're one of the most famous and recognisable couples in showbiz, but less is known about Sir Elton John and David Furnish 's private life. The legendary musician, 77, and his husband, 61, have been together for decades and made things official when they wed in 2014, nine years after their civil partnership ceremony in 2005. Although Sir Elton has always led a very public-facing life, he has been more private when it comes to their sons.

The couple would share the occasional photograph when the boys were much younger, but since then, Zachary and Elijah aren't often seen out in public with their famous dads, and most photos shared on social media conceal their faces to protect their identity as much as possible. Elton and David have shared the odd anecdote and story about their boys over the years. Get to know the couple's two young sons here.

.. Zachary Jackson Levon Furnish-John, 13 Elton and David welcomed their first son into their family on Christmas Day 2010.

Their eldest was delivered via surrogate and, at the time, the happy news was confirmed in an official statement from the couple: "We are overwhelmed with happiness and joy at this very special moment. "Zachary is healthy and doing really well, and we are very proud and happy parents." The couple opted for surrogacy in accordance with the Center for Surrogate Parenting in Encino, California.

According to the MailOnline , the couple reportedly paid the surrogate, whose identity has been kept hidden, a lump sum for g.