Lady Gaga sings Telephone with Beyoncé, but it's mostly Gaga singing.
Lady Gaga and Beyonce.
Beyonce
No.....the song is featuring with Beyonce
She sang "Telephone", and "Alejandro"
Lady Gaga herself.
The song Telephone is by Lady Gaga, and features Beyonce.
Lady gaga
if you mean which other artist featured in lady gaga's 'telephone', then the answer is beyonce Knowles
yes lady gaga does sing that sont its on her latest album the fame monster
Lady Gaga sang in bars and clubs.
No, she does not.