Lady GaGa's manager, Troy Carter, has credited her hard work for her success.

He insists that she is where she is today because she puts in 110%, rather than a case of her just getting lucky.

"She has really put in the work. This was years in the making. Gaga has a work ethic. Gaga hustles. She understands all of that. One of the problems now is that we have a very lazy business. People are lazy," he said.

"That girl gets out there. When we first started I didn't know anything about pop music and she didn't know anything about touring or anything like that. You can't skip a step. People take the discovery process for granted. Fans want to feel like they have discovered you, and part of that discovery process is having the patience to start small."