Milestone: (Noun) An event marking a significant change or stage in development.

Everyone's favorite adorable cult member, Suri Cruise, celebrated the big zero-three yesterday. They grow up so fast!

Parents Tom Cruise and Katie Holmes planned a princess-themed party for their daughter, which included a cake featuring Belle from Beauty and the Beast and a treasure hunt.

"They just wanted to keep it small and make it fun for Suri and her friends," says a source. (Source)

See now, I was way off base. I thought it was her third birthday that the ritualistic ceremony was to take place in which her physical body would become a vessel for the great L. Ron Hubbard's eternal spirit. But now I think about it, that might actually be her fourth birthday when that happens. My bad. In the meantime, I guess that Beauty and the Beast and treasure hunt crap sound like fun too, though.

The great and powerful Suri and family in Japan last month: