herself
Beyonce Knowles :)
Lady Gaga
Lady GaGa and Beyonce.
Lady Gaga and Beyonce.
It has been released. On Youtube type in "Lady GaGa-Telephone ft. Beyonce." It will take you to the video. It was released on march 15 2010
Lady Gaga sings Telephone with Beyoncé, but it's mostly Gaga singing.
The song Telephone is by Lady Gaga, and features Beyonce.
Lady Gaga herself.
if you mean which other artist featured in lady gaga's 'telephone', then the answer is beyonce Knowles
Lady gaga
lady gaga and beyonce lady gaga also wrote -just dance -bad romance -telephone -and mabye some others that escape me at the moment, :)))
telephone by lady gaga
YES
lady gaga
yes
Lady Gaga
Beyonce