A gay kiss that took place at the American Music Awards has sparked complaints in the US.
Speaking to CNN, Lambert said that the kiss was unplanned and “in the moment”.
He was performing his first single For Your Entertainment at the awards bash.
“I had fun, my dancers had fun, the audience that was in the Nokia [theatre] had fun,” he added.
“Anybody else who watched it and enjoying it, thank you for being entertained.”
Lambert has not been shy about his sexuality and has previously admitted to encounters with both sexes.
On a recent photo shoot he posed with a naked girl and discussed the possibility of him having sex with women.
He recently broke up with his short-term boyfriend.