Cutest Reaction -- Baby Loves Playing In The Rain With Dad (VIDEO)

This toddler has seen the rain from the window before ... but this is the first time she got to play in the warm summer rain with daddy and her reaction will melt your heart.

Little Harper was all smiles and full of giggles as pops held her in his arms and ran in and out of the warm rain ... but she wasn't satisfied with just one soaking wet stroll and needed another go around.