Merry Christmas 2012: Celebrities share holiday photos

8 of 28: Neil Patrick Harris shared this photo of his partner David Burtka (left) and their twin son Gideon (right) and daughter Harper (back) on Dec. 25, 2012, Tweeting: 'Up until 2am constructing a table with wooden trains for Gideon and all he wants to do is play with a broom. #MerryXmas.'

(Pictured right: Neil Patrick Harris speaks after his star ceremony on the Hollywood Walk of Fame on Sept. 15, 2011.) (pic.twitter.com/9O4WAtuH / twitter.com/ActuallyNPH / OTRC)