It is definitely hard singing live and idols are always tired from being overworked and all. Sometimes it's best not to strain their vocals! �Still, it can be pretty humorous or even o_O when you catch an idol lip-syncing! �In some cases, it could be that they're not used to lip-syncing and the event called for it, so they had no choice.

For others, you can argue that they were just singing with a back track and wasn't lip syncing the whole time. �Either way, they made a mistake and their mistakes are cute, so check out these instances below!

SEE ALSO: 'Our Blues' actress Jung Eun Hye to tie the knot in May

Tiffany

IOI's Kim Se Jung

At 3:25

LABOUM's Haein

At very beginning

G-Friend's Eunha

At 0:43

SHINee's Onew

At 2:09

4minute's HyunA

At 1:58

Red Velvet's Yeri

At 1:05�

Block B