How I Met Your Mother star Neil Patrick Harris has revealed he has no interest in discovering which of his twin children is biologically his.

Neil Patrick Harris and David Burtka’s twins, Harper and Gideon, are so alike in so many ways. However, in Harris’ latest post, it shows that his daughter Harper is his mini-me, as well!

Harris gave fans a look at his family's Christmas Eve dinner on Instagram Neil Patrick Harris is surrounded ... as both their parents cackle in the background. "I want you to serve the crème ...

It's Now a Fan Event (Exclusive) Neil Patrick Harris and David Burtka Celebrate Christmas with Twins Harper and Gideon: 'Dog Days of Christmas' Neil Patrick Harris and David Burtka's Twins Harper ...