Adam Mitchel Lambert (born January 29, 1982) is an American singer, songwriter and actor. He is known for his dynamic vocal performances that combine his theatrical training with modern and classic genres. Lambert rose to fame in 2009 after finishing as runner-up on the eighth season of American Idol. Later that year, he released his debut album For Your Entertainment, which debuted at number three on the U.S. Billboard 200. The album spawned several singles, including "Whataya Want from Me," for which he received a Grammy nomination for Best Male Pop Vocal Performance.

In 2012, Lambert released his second studio album Trespassing. The album premiered at number one on the U.S. Billboard 200, making him the first openly gay artist to top the album charts. In 2015, Lambert released his third album The Original High, which debuted at number three on the U.S. Billboard 200 and produced the single "Ghost Town." Since 2009, he has sold over three million albums and five million singles worldwide.

Alongside his solo career, Lambert has performed with Queen in several worldwide tours from 2012. Their first album, Live Around the World, was released in October 2020, and debuted at number one on the UK Albums Chart.