After the release of some dance hits she released her first album, "Madonna", in 1983. The album was a great success. Her next album, "Like a Virgin" (1984), sold over 6 million copies in the United States only and overall 10 million copies worldwide. Her album "True Blue" has sold 25 million copies. Her album "Like a Prayer" caused controversy, as it had to do with Christianity but the album sold over 15 million records worldwide. During the 1980s, Madonna was a huge fashion icon and was an idol for millions of girls and boys. Songs like "Like a Virgin", "Material Girl", "Into the Groove", "Papa Don't Preach", "Holiday", "Lucky Star", "La Isla Bonita", and "Like a Prayer" are believed to be classics.