VIDEO: Happiest child in New York City starts dance party on subway platform

If you needed to know who is the happiest child in New York City (or Earth) then you have found her.

An absolutely adorable little girl gets the party started on the subway platform of the Bedford Avenue Station in Williamsburg, Brooklyn.

Watch the darling dancer groove her way to the hearts of New Yorkers to acover of the Grateful Dead’s “Me & My Uncle.”