Singer wants to concentrate on her career
Lady GaGa is said to have called time on her relationship with boyfriend Speedy.
The Just Dance singer started dating the businessman earlier this year after meeting him on set of her Love Game music video.
But its thought shes ended the romance to concentrate on her career.
Theres too much going on in her head at the moment, a pal tells the News Of The World.
Shes very fond of Speedy, but nows not the time for her to be in a relationship.
Lady GaGa, 23, is determined to remain dedicated to her music.
Even though I have my days when I want to have sex with very good-looking men, Im devoted to my work, she says.
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