Super Mario Galaxy 121 Stars Walkthrough Part 38: A Bit confusing

Ok, it goes like this... I decided to get the secret star... FIRST, then go for the normal star on the normal path. XD This may throw you off a bit, so pay attention to the path I took on my way to the hungry luma in the first 2 minutes or so.

Clickables:

-----Garden Dome-----

Melty Molten Galaxy:
0:00 Burning Tide (Secret Star) 80 Star Bits Needed
6:45 The Sinking Lava Spire (Continued From Above)

-----Super Mario Galaxy Menu-----
https://pkgam.tumblr.com/post/181233049510/super-mario-galaxy-menu

-----Super Mario Galaxy Playlist-----
https://www.youtube.com/playlist?list=PL300BB778B9DEE63A

Enjoy!