Shim Hye-won (; born March 20, 2004), better known by her stage name Belle (), is an American singer. She is a member of the South Korean girl group Kiss of Life.
Belle was born on March 20, 2004, as Shim Hye-won, in Seattle, Washington. Her family consists of her father , a prominent singer in South Korea during the 1990s, her mother, and an older brother.
As a child, Belle made a few television appearances alongside her father, including SBS' Global Junior Show in 2012.
From the age of 17, she began composing her own music which she uploaded on SoundCloud and Instagram. She joined SM Entertainment's Song Camp and later worked as a songwriter, taking part in composing and writing songs for artists such as Le Sserafim, Purple Kiss, and Miyeon. She is also credited for the background vocals of songs such as Le Sserafim's "Unforgiven" and Mark's "Child".
On May 16, 2023, S2 Entertainment announced that Belle would debut in a new 4-member girl group called Kiss of Life, which planned to debut in July. On July 5, the group officially made their debut with the release of their self-titled EP which included a solo song "Countdown" sung by Belle. On July 14, she received the "Proud Korean Grand Prize" composer award at the 2023 Korea Best Brand Awards.
On June 19, 2024, "See the Light", the original soundtrack for My Sweet Mobster which was sung by Belle, was released.
All song credits are adapted from the Korea Music Copyright Association's database unless stated otherwise.