Taylor Swift's new single "Gorgeous" has a special appearance by actors Ryan Reynolds and Blake Lively's elder daughter James.
The song features on Swift's new album "Reputation".
Swift's fans made the revelation on Twitter as they shared the album's credits.
"Baby intro voice by James Reynolds," the album booklet read.
The 27-year-old singer wrote on Tumblr she had shared the information at one of her "secret sessions" ahead of the album's release.
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