Taylor Swift made an unannounced appearance at the world premiere of Toy Story 5 in Los Angeles on Tuesday, performing her new soundtrack track and joining longtime composer Randy Newman for a duet. The surprise set followed the film’s screening at the Dolby Theatre and underscored Swift’s growing involvement in Hollywood franchises.

Swift’s debut of "I Knew It, I Knew You" at the Dolby Theatre

After the screening, Swift walked onto the stage, sat at a piano and introduced her original song "I Knew It, I Knew You," which she co‑wrote with Jack Antonoff. According to the report, the track is meant to capture the emotional core of the Toy Story universe and was released on June 4, accompanied by a vintage home‑video teaser on social media.

Randy Newman and Swift perform "You've Got a Friend in Me" together

Following her solo, Swift invited series veteran Randy Newman to join her for a rendition of the classic "You've Got a Friend in Me." The duet highlighted the continuity between the franchise’s musical heritage and Swift’s contemporary pop sensibility, a pairing that the source described as “emotional” and “unexpected.”

Swift’s public praise for the franchise and its creators

During her brief speech, Swift called Toy Story "insanely beautiful" and a "masterpiece," thanking writer Andrew Stanton for envisionng her role years ago and crediting Newman for shaping the series’ sound. The source notes that she skipped the red carpet but participated in a cast photo before the screening, signaling a strategic, low‑key approach to the publicity.

How Toy Story 5 fits into the summer blockbuster claendar

Toy Story 5 is slated to open nationwide on June 19, positioning it as a key summer release for Disney‑Pixar.. The surprise performance adds star power to the promotional push, echonig previous collaborations where pop musicians have lent songs to animated franchises, such as Pharrell Williams with "Despicable Me 2." According to the article, early reactions to the film have been positive, and Swift’s involvement may boost both box‑office and soundtraack streams.

Who will benefit from the cross‑promotion?

The source highlights two immediate beneficiaries: Disney‑Pixar, which gains a high‑profile pop star to attract broader audiences, and Swift, whose soundtrack single is already breaking streaming records. What remains unclear is whether the partnership will extend to future installments or spin‑offs, a question the report leaves unanswered.