Yui-metal & Moa-metal = Adorable! Su-metal = ?

When everyone compliments Babymetal, the usual responses will always be something like "Yui & Moa are the two cuties, while Su is the talented performer." While I totally agree with these compliments, my only problem is that these responses usually never states people's opinions on Su-metal's looks.

Now, I know people usually say that because the dynamic is the Queen and the two adorable Princesses and never meant to disrespect Su. But me personally, I have always find ALL three girls pretty, and never really distinguish Moa & Yui to Su when it comes to who is the cuter, prettier ,etc.

Again, I know no one has any intention of saying that Su is not good-looking at all, but I just want to know, what do you guys think of Su-metal's looks? Cute, ugly, pretty, disgusting, etc?