Stefani Germanotta (born March 28, 1986), known professionally as Lady Gaga, is an American singer-songwriter, dancer and actress.
Relationship with Britney Spears[]
Gaga wrote "Quicksand", a song released on Spears' sixth studio album, Circus, in select European countries.
Gaga wrote "Telephone", a song meant for Spears' sixth studio album, Circus.