Super Mario 3D World 100% Walkthrough Part 18 - World 7 (7-C, 7-6, 7-7, 7-C) Green Stars & Stamps

This is part 18 of my 100% Super Mario 3D World Walkthrough. This part includes World 7-C 'Fire Bros. Hideout #4', World 7-6 'Rammerhead Reef' & World 7-7 'Simmering Lava Lake', World 7-Castle 'Bowser's Lava Lake Keep' Below are the times when I get the stamp and green stars in each level.
Super Mario 3D World Walkthrough Playlist:
00:20 - World 7-C - Fire Bros. Hideout #4
01:27 - World 7-6 - Rammerhead Reef
02:07 - Green Star #1
02:48 - Green Star #2
04:07 - Green Star #3
05:07 - Rammerhead Reef Stamp Location
06:14 - World 7-7 - Simmering Lava Lake
07:15 - Green Star #1
07:41 - Green Star #2
08:17 - Simmering Lava Lake Stamp Location
08:29 - Green Star #3
09:50 - World 7-Castle - Bowser's Lava Lake Keep
10:33 - Green Star #1
10:49 - Bowser's Lava Lake Keep Stamp Location
11:00 - Green Star #2
11:44 - Green Star #3