Definitely Christina. Her debut album was full of awesome songs and of course she showed off her amazing voice. Hey, it won her a Grammy!
And Jessica's album, while not as many good songs as Christina, had a few real standouts and definitely showcased Jessica's, now disappeared, powerful voice. She needs to go back to singing big ballads and stop with the breathy stuff she's been doing the last two albums.
Britney's was okay, but standard pop. And Mandy's was even more cliche pop.
So...
1. "Christina Aguilera," Christina Aguilera
2. "Sweet Kisses," Jessica Simpson
3. "Baby One More Time," Britney Spears
4. "So Real," Mandy Moore
i think he´s referring to the milky way galaxy, actually a country called argentina on this very planet...i think so at least since he says that he is located in argentina.....lol
...lol