Hong Sung-mi (born 17 July 1986), known professionally as Dana, is a South Korean singer, musical actress[2] and vocal coach.

After she took a break for music scene almost two-years, Dana returned with debuting as a member of girl group The Grace in April 2005.

In July 2011, the groups returned with formed duo sub-unit Dana & Sunday with only released single "One More Chance" before also took a break.

Following this, she earned a number of roles, appearing in the notably musical Catch Me If You Can (2012), Bonnie and Clyde (2013), The Great Gatsby Re:Boot (2016).

Prior to debuting in a girl group, she promoted as an actress in popular boyband H.O.T's Age of Peace movie[3] and in Kangta's "Polaris" music video.

[6] In 2001, she released her fairly successful debut single "Sesang kkeut kkaji" (Until The end of The World), which was an adapted song of "Tell Me No More Lies" composed by European songwriter Stefan Aberg.

[7] Her career blossomed and was furthered through appearances on variety shows, such as X-Man, as well as playing a main role in the sitcom Nonstop.

We hope people will continue to support her in her future activities.”[26] On 4 May 2016, during MBC's Radio Star, Dana revealed that she had been in a relationship for three years.