Nightcore - Congratulations (sleeping with sirens)

[@daintydiplomat]

Kellin's voice is high pitched enough...but this is wow. I love it though.

[@octagonicart9381]

I might have a splitting headache but dammit, I'm hitting that replay button again.

[@Emmathealpacachild]

Didn't think kellin could get higher :)

[@ArianahRza410]

Omg yes that was the most perfect comment ever xD

[@rainbowkitty8162]

Yasss xD

[@tylerkunstt2321]

Lmao xD

[@alexiajae1243]

love this version good job

[@potatoesvevo9465]

HOLY SHIT KELLIN IS ALVIN OML HHAHA XD

[@fayebarker2833]

This is amazing

[@LOLgirl618]

Awesome! :D

[@Emmathealpacachild]

Kawaii :)

[@lollyhollydolly2285]

Thank you!:)

[@cliqueasfricki-9994]

Picturr plz ;-;

[@imdrunk3446]

you ruined it great one guys

[@unhealthybeast]

Are you fucking serious

[@kystxbythx2279]

You ruined an amazing song.... But Kellins voice tho