108 stars.

The most recent one I got was from Tick Tock Clock. Uh.. I forget the description for it (it wasn't the one I was "supposed" to earn). In any case, it was another one that's in a "cage".

I cleared out both Tall, Tall Mountain and Tiny Huge Island by getting 100 coins there. Both were probably easier than I thought they'd be (though at least they took a few tries).

For Tiny Huge Island, I was saving the coins near the Wiggler for last, because I don't think you can get back out of there. However, I earned more than enough stars before I went in there.

Likewise for Tall, Tall Mountain, I didn't have to get the red coins on the mushrooms.

I also beat the Wiggler. The bosses in this game kind of suck.... Overall, this game might be better than Donkey Kong 64, but that's another thing DK64 has over SM64.