Aigoo and Aegyo ?

Aigoo and Aegyo are different =)

Aigoo is like, expression when you're surprised, like "oh my!".
for example: your friend fell down and almost hit his head, then you go "aigoo!"

while aegyo is cuteness?
like when you see baby act all cute and people will go 'aegyoooooo!!'

 
Now some examples of aegyo 

After School's Raina :  

So Nyeo Shi Dae's Sunny or Aegyo Queen : 

SNSD Sunny Aegyo

Did you see it ? Know what is it now ? Good ! :)