"I Ain't Worried" is a song by American pop rock band OneRepublic, released on May 13, 2022, through Mosley Music Group and Interscope Records.

The song was written and produced by Ryan Tedder, Brent Kutzle, and Tyler Spry, with production from Simon Oscroft and John Nathaniel.

"I Ain't Worried" also peaked at number 1 in Belgium, Hungary, Iceland and New Zealand, and reached the top ten in other countries, including Australia, Austria, Brazil, Bulgaria, Czech Republic, France, Greece, Japan, Lebanon, Lithuania, Malaysia, Malta, Netherlands, Poland, Russia, Singapore, Slovakia, South Africa, South Korea, Switzerland and Taiwan.

Upon release, "I Ain't Worried" received highly positive reviews from music critics, being praised for its sunny production and upbeat melody.

[5] The song, along with its music video directed by Isaac Rentz, made its global debut on MTV Live and MTVU, as well as on the billboards of the Paramount Theater Manhattan on Times Square.

[10] Writing for The Charlotte Observer, Théoden James said the beat and vocals of song is a "super-infectious bubblegum" and a "pop perfection in general".

[11] Tyler Golsen from Far Out Magazine wrote that "'I Ain’t Worried' doesn't have enough length or substance to be considered annoying.

To promote the film and song with the release of its soundtrack, OneRepublic performed "I Ain't Worried" for the first time on May 28, 2022, on The Tonight Show Starring Jimmy Fallon.