yes
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.
Lady gaga
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, :)))
Beyonce Knowles :)
YES
telephone by lady gaga
Lady Gaga
lady gaga
Beyonce