Quote Originally Posted by YoTa_BoX View Post
Before she was Lady Gaga.She was pretty being a brunet.


http://www.wimp.com/ladygaga/
Responding to the title... it's hollywood. Either she chose that route in her being an artist and image or her record label did. Some record labels do change their image like that to sell more records and get more attention... though some artists dont go for it and do their own thang.