“Grenade” is a pop and R&B ballad song and released as the second single, performed by American singer-songwriter and producer Bruno Mars from his debut studio album, Doo-Wops & Hooligans. The song debuted at number 81 on October 16, 2010  and peaked at number five on the US Billboard Hot 100, it also peaked at number 12 on US Pop Songs (Billboard) Charts.

“Billionaire” is a song by American recording artist Travie McCoy, featuring Bruno Mars. The song was written by Travie McCoy, Bruno Mars, Ari Levine, and Philip Lawrence. It was released as the lead single from his first solo album, Lazarus. The song peaked at number 4 on the U.S. Billboard Hot 100. In the United Kingdom, the song reached number 3 on the UK Singles Chart. The album was released on June 8, 2010. The song was certified 2x Platinum the RIAA.