Sri Lanka, July 14 -- Reese Witherspoon and Ryan Phillippe's musician son has released his first single. Fans raved about Deacon Phillippe's voice on Long Run, which dropped on Friday, prompting the teenager to explain the vocals belong to his collaborator, Nina Nesbitt, while he composed the track.

Nesbitt and Deacon joked about the confusion on Instagram with the singer teasing: "Omg I love your voice," and Phillippe responding: "@ninanesbitt it's beautiful isn't it."

Deacon later clarified: "Guys this is not me singing."

His proud dad is a big fan - actor Ryan jumped on Twitter just before the new track's release and wrote: "My son's debut single as a producer #LongRun is about to be played for the first time on @sirius on BPM chann...