Nate Ruess (born February 26, 1982 in Iowa City, Iowa, United States) is an American singer-songwriter and musician. He is the lead vocalist of indie pop band fun., and previously of the The Format. As of 2015, he also performs as a solo musician.

In 2001, at the age of 19, he launched the band The Format with his longtime best friend, Sam Means. The Format was his first musical endeavor to gain widespread attention.

Ruess' solo album is currently untitled, but slated for a summer of 2015 release. His first single is titled, "Nothing Without Love", and was released to alternative radio on February 23, 2015. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.