https://www.youtube.com/ watch?v=DLjdZ_coNcI
1:21 I say possibly because she could be laughing for a different reason, but her friend is pressing on her foot at the same time she begins to laugh. Ether way it's been confirmed in two other videos she that she has ticklish feet so whether it was a ticklish reaction or not isn't a lost here.
Also in the bloopers and the official video there are plenty of soles(although blurry) and foot shots. Time stamps for the above video
:40-1:02
1:26-1:31
2:03-2:14
And for the official video.
https://www.youtube.com/ watch?v=MeTcsPxy0X4&t
2:53-2:54
3:10-3:12
3:27-3:32
3:38-3:42
1:21 I say possibly because she could be laughing for a different reason, but her friend is pressing on her foot at the same time she begins to laugh. Ether way it's been confirmed in two other videos she that she has ticklish feet so whether it was a ticklish reaction or not isn't a lost here.
Also in the bloopers and the official video there are plenty of soles(although blurry) and foot shots. Time stamps for the above video
:40-1:02
1:26-1:31
2:03-2:14
And for the official video.
https://www.youtube.com/ watch?v=MeTcsPxy0X4&t
2:53-2:54
3:10-3:12
3:27-3:32
3:38-3:42
Thanks for the links. 
