Lady GaGa's cover of John Lennon's infamous hit 'Imagine' has gained her an unlikely fan... Lennon's widow Yoko Ono!
GaGa performed 'Imagine' at the Human Rights Campaign dinner in Washington DC earlier this month.
Watch it below...
The dinner celebrated gay rights and commemorated the death of teenager Matthew Shepard who was bashed and tortured to death for being homosexual in 1998.