Idols are always providing you with entertainment in countless ways--from doing "body gags" and acting out funny drama scenes to variety show derp and just plain laughing. Yup, that's right laughing.  You know laughing can be infectious and these ten idols below particularly prove this statement true.

Their hilarious laughs just make you break into a smile within a second and get you laughing until you're holding your tummy and rolling on the floor!

To get yourself in a good or even a better mood, you have got to check out the videos below and guffaw all your worries go away!

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KARA's Youngji

MBLAQ's Thunder

Super Junior's Leeteuk

INFINITE's Dongwoo

B1A4's Gongchan

f(x)'s Sulli

JYJ's Jaejoong

SHINee's Key

Girls' Generation's Taeyeon

Girl's Day's Hyeri