The year's best photos:

All year long, official White House photographers are hard at work capturing Presidential moments for the history books.

And at the end of every year, Chief Official White House Photographer Pete Souza chooses the very best -- from tens of thousands of images -- for his Year in Photographs. The collection is full of deeply moving moments -- from the serious and official, to the funny and behind-the-scenes.

You don't want to miss this one: Check out the best images of 2014 and the stories behind them.