Celebrities Share Their Big Fears - Even Rihanna is Afraid of Something & Someone Else Doesn't Like Toilets

Being frightened by spiders, small spaces and even flying is pretty common. You might be afraid of all of those things, and some big stars are, too.

Other celebrities have copped to some more unique terrors. One star is afraid of avocados while another has explained their fear of chewing gum. A musician explained why they have a thing about spoons, and an A-list actor explained how revolving doors make them nervous.

We rounded up 16 celebrities who have shared their biggest fears, some more mundane and others quite unique.

Scroll through the slideshow to see what these stars have fessed up to being afraid of…