[6] "I Gotta Feeling" was written and composed by all the members of the Black Eyed Peas (credited as William Adams, Allan Pineda, Jaime Gomez, and Stacy Ferguson) together with French producers David Guetta, Frédéric Riesterer (a.k.a.

The song was recorded at Square Prod in Paris, France and Metropolis Studios in London, England, United Kingdom.

Interscope Records serviced the song to contemporary hit and rhythmic crossover radios on June 23, 2009, in the United States.

Times are really hard for a lot of people and you want to give them escape and you want to make them feel good about life, especially at these low points.

It follows in the inspirational dance-pop theme of The E.N.D, being built upon the heavy use of Auto-Tune and futuristic synthesizers while running through a tick-tock rhythm.

"[14] "I Gotta Feeling" received mixed to negative reception (though early critical reviews and ratings were more positive); some like Ben Westhoff of Las Vegas Weekly dismissed the song as a blend of house, electro and dancehall beats that did not work compared to songs on The E.N.D like "Imma Be" and "One Tribe",[15] while others like David Balls (a writer for Digital Spy) considered the song "as every bit as quirky as its predecessor ("Boom Boom Pow")".

[11] Balls compared it to Girls Aloud's "Biology", writing that they sound like a collection of musical ideas "that only makes sense after a few listens.

"[11] Another writer for Digital Spy, Nick Levine, praised "I Gotta Feeling" and "Rock That Body" as ace collaborations with French disc jockey David Guetta.

[10][17] Ann Powers wrote a positive review about "I Gotta Feeling", noting that "the Peas do let in some human sweetness and light" on the song and that it uses "a repetitive, warm vocal line to signify a good mood coming on.

"[13] Mike Schiller, a writer for PopMatters, found the song to be irresistible, writing that it "is one of those dance tunes that's impossible to hate thanks to something like good natured naïveté".

[18] In his review of the album for Stuff.co.nz, Chris Schultz dismissed the lyrics, writing that they were the worst since Flo Rida's "Right Round".

[12] Billboard's Chris Williams praised the song as their most mainstream release, writing that "they trade off on a simple, yet effective melody and message".

The song was certified 5× Platinum by the British Phonographic Industry on December 27, 2024, for sales and streams of 3 million units.

[45] "I Gotta Feeling" peaked at number one in countries including Australia, Austria, Belgium, Denmark, Italy, The Netherlands, and New Zealand.

[46][47] On September 8, 2009, the song was performed (with slight modification) by the Black Eyed Peas for the taping of the Kick-off Party for the 24th season of The Oprah Winfrey Show, with 21,000 fans performing a dance on the "Magnificent Mile" portion of Michigan Avenue in Chicago, Illinois.

The Black Eyed Peas also performed the song during a concert at Mont Kiara, Kuala Lumpur, Malaysia in 2009.

Being the headliners of the Super Bowl XLV halftime show, the Black Eyed Peas sang "I Gotta Feeling" in front of more than 100,000 fans at Cowboys Stadium.

For Queen Elizabeth II's Diamond Jubilee Concert, will.i.am and Jessie J sang a duet of "I Gotta Feeling".

The video ends with a large sign with human-sized letters that reads "The E.N.D" The video is directed by Mikey Mee of Little Minx and features guest appearances by David Guetta, Kid Cudi, members of the indie rock band Gossip, the designer duo Dean and Dan Caten of Dsquared2 and RuPaul's Drag Race alumni Ongina.