Neil Patrick Harris' Twins Harper and Gideon Turn 13 ... It's the toughest time and I can't imagine what it's like now to grow up as a 13-year-old with what's going on overseas and global ...

The 13-year-old twins were disgusted when their ... carrier is being demystified thanks to a growing number of candid celebrities. Neil Patrick Harris and David Burtka chat with ET at the God's ...