Catching Fire has officially passed Iron Man 3 to become the top grossing film of 2013 in the US. With a domestic take of $409,392,651 as of January 9th, Catching Fire edges out Iron Man 3's $409,013,994.
If you're really into the numbers, Catching Fire has made $423,400,000 internationally thus far, for a total of $832,792,651 worldwide. Iron Man 3's worldwide gross still beats that at $1,215,439,994.