"Smile Like You Mean It" is a rock song by Las Vegas rock band The Killers. The song is featured on their debut album Hot Fuss, and is the fourth single from it in the United Kingdom and the third single in United States. It was written by lead vocalist Brandon Flowers and bassist Mark Stoermer. It reached #11 in the UK single chart and #15 in the Billboard U.S. Modern Rock Chart. It also received substantial radioplay in Australia, where it was ranked #39 on Triple J's Hottest 100 of 2004. The song was notably covered by the band Tally Hall for the sixth The O.C. soundtrack: Music from the OC: Mix 6. The song was released as a downloadable track for the music video game series Rock Band on November 25, 2008. In the UK the song was voted at 91 on Absolute Radio's 100 Best Songs of the Decade.