one of the album's best tracks. 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." Ben Westhoff of Las Vegas Weekly dismissed the song as a blend of house, electro and dancehall beats that do not work compared to songs on The E.N.D like "Imma Be" and "One Tribe". 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". 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". The Observer-Dispatch writer David T. Farr praised the song as "the summer track of 2009", writing that "It's one of those songs you grasp onto right away and crank up as the beat goes on, even the first time you hear it (guilty as charged)." Will Hines of Consequence of Sound shared similar feelings about "I Gotta Feeling", defining it as "chart baiting". Guy Blackman, a writer for The Age, labeled "I Gotta Feeling" and "Boom Boom Pow" as further dumbed-down dance-pop songs. Bill Lamb of About.com gave the song a four-star rating, praising it for the difference of style from previous releases by the Black Eyed Peas and as a great summer song with a feel good mood., but he criticized the lack of lyrical depth and constant use of Auto-Tune. Billboards Chris Williams praised the song as their most mainstream release, writing that "they trade off on a simple, yet effective melody and message". Chart performance "I Gotta Feeling" followed in the international success of The E.N.Ds lead single "Boom Boom Pow". In the United States, the song debuted on the Billboard Hot 100 at number two, behind "Boom Boom Pow", prompted by sales of 249,000 downloads. The song held at number two for another week before rising to the top position on the chart. On July 30, 2009, it was reported that the song, along with "Boom Boom Pow" helped earn the Black Eyed Peas the longest run at number one on the Billboard Hot 100 by a duo or group (17 weeks). The song stayed at number one on