"Hollywood" is a song recorded by American recording artist Jay Z for his ninth studio album, Kingdom Come (2006). It features Jay Z's now-wife, American recording artist Beyoncé, and was released as a single in the US on January 23, 2007. Jay Z co-wrote the song with its producers Ne-Yo and Reggie "Syience" Perry. "Hollywood" is a disco-influenced R&B song with lyrics that detail the tiredness music stars, working in the American cinema industry, sometimes feel. The song was well received by music critics who praised its musical arrangement as well as the guest vocals by Knowles.

"Hollywood" charted on US Billboard component charts, reaching a peak of number 56 on the Hot R&B/Hip-Hop Songs chart in early March 2007. It also gained attention in Australia where it charted inside the top 100 positions of the ARIA Singles Chart. Knowles later recorded a solo version of the song, which was re-titled "Welcome to Hollywood", and included it on the deluxe edition of her second studio album, B'Day (2006). A video interlude was recorded for The Beyoncé Experience tour where clips of Knowles were shown and music videos from her B'Day Anthology were comprised together, while the song was played on the tour.

"Hollywood", featuring guest vocals from Knowles, was included as the tenth track on Jay Z's ninth studio album, Kingdom Come (2006). It sees songwriting duties by Jay Z as well as R&B singer Ne-Yo, and utilizes production from Reggie "Syience" Perry. The song is an R&B intoned simple one, also containing elements of disco, which is a genre of dance music. According to Louis Pattison of New Musical Express, "Hollywood" expresses "a weariness with the showbiz merry-go-round." It was sent by Def Jam and Roc-A-Fella Records to US rhythmic radio for airplay on January 23, 2007, and to contemporary hit radio on February 6, 2007.

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