I had no idea "Pirates of the Caribbean:  On Stranger Tides" was such a massive hit... but last weekend, it became only the eighth movie to pass the $1 BILLION mark in worldwide box office.

Here's the complete list of movies that have hit that milestone...

#1.)  "Avatar",  $2.8 billion

#2.)  "Titanic",  $1.8 billion

#3.)  "The Lord of the Rings:  The Return of the King",  $1.12 billion

#4.)  "Pirates of the Caribbean:  Dead Man's Chest",  $1.07 billion

#5.)  "Toy Story 3",  $1.06 billion

#6.)  "Alice in Wonderland",  $1.02 billion

#7.)  "Pirates of the Caribbean:  On Stranger Tides",  $1.009 billion

#8.)  "The Dark Knight",  $1.002 billion

IN RELATED NEWS: Johnny Depp has agreed to do a fifth POTC movie... I want to know when he is going to admit that he just loves wearing mascara?!?!