The Hills

'The Hills' Revealed: Lady Gaga's Forgotten Appearance

Check out never-before-aired footage of Lady Gaga's first MTV appearance on "The Hills." (7.10.10)

The Hills

'The Hills' Revealed: Lady Gaga's Forgotten Appearance

Check out never-before-aired footage of Lady Gaga's first MTV appearance on "The Hills." (7.10.10)