Avicii, Childish Mashup, PJ Simas, R3hab, & Others

Pretty legit Childish mashup by D.veloped, chill track by D.N.A., remix by PJ Simas, and a few other must-haves. Check 'em all out:

D.veloped - The Childish Games

D.N.A. - Winter Snow (feat. Dylan Owen)

LMFAO - Champagne Showers (R3hab Remix)

PJ Simas - Liar Liar (Remix feat. Christina Grimmie)

Smokey Robotic - S.R.

BONUS:
Avicii - Fade Into Darkness (Alex Prigenzi Edit)