2010 february 11
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 herself.
The song Telephone is by Lady Gaga, and features Beyonce.
Lady Gaga sings Telephone with Beyoncé, but it's mostly Gaga singing.
Febraury 22nd 2010.
Lady gaga
It was originally made for Britney Spears but she didn't want it so Lady GaGa did the song with Beyonce.
if you mean which other artist featured in lady gaga's 'telephone', then the answer is beyonce Knowles
lady gaga and beyonce lady gaga also wrote -just dance -bad romance -telephone -and mabye some others that escape me at the moment, :)))
It's suppose to be released on the 8th of March, but I'm not entirerly sure.
telephone by lady gaga
YES