On 30 October 2014 Ronson announced through twitter the release of the lead single of his upcoming album on 10 November 2014. The single, "Uptown Funk" will feature Bruno Mars vocals. Later on, Mars said that Ronson had been working on this album since 2013.

"The Lazy Song" is a song by American singer-songwriter Bruno Mars from his debut studio album, Doo-Wops & Hooligans. It was released as the third single from the album on February 15, 2011. Mars wrote the song with K'naan and his production team The Smeezingtons, who also produced the track. Musically, "The Lazy Song" displays influences of roots reggae and jawaiian music.

新专辑《Unorthodox Jukebox》发行前的最后一支单曲

火星哥提前发行了收录在即将发行的的Twilight 4上的Soundtrack中的个人单曲。

相隔已久的二专首单

火星哥Bruno Mars新专辑24K Magic”同名首单，10月7日发行！

"Leave the Door Open" is the debut single by the band Silk Sonic, consisting of Bruno Mars and Anderson Paak. It was released on March 5, 2021, alongside the track "Intro" from the band's upcoming debut album, An Evening with Silk Sonic.