Troye Sivan's 'Youth' Exposes John Cena's Inner Child on The Tonight Show

Troye Sivan is officially no longer the Internet's little secret.

The out YouTube star's just-released debut albumBlue Neighbourhood is popping up on "Best of 2015" lists by influential music critics like NPR's Ann Powers.

RELATED | Troye Sivan: The Wild Card

And last night, the 20-year-old Australian singer visited The Tonight Show Starring Jimmy Fallon to deliver what can only be described as a flawless rendition of his single "Youth." The appearance marked Sivan's first on mainstream U.S. television.

Check it out:

And after he impressed the audience with his vocal prowess, Sivan surprised them by dusting off his acting chops in a goofy scene with The Tonight Show's other guest, professional wrestler turned actor (and LGBT ally) John Cena.

As it turns out, Sivan is actually Cena's inner child. See how Cena welcomed "Little Johnny" back into his life below.