It's hard to believe it's been a decade since the genie was let out of the bottle and we found out What A Girl Wants. In that time, Christina Aguilera has released 3 regular studio albums (the last of which was a double disc) and arguably one of the best Christmas albums of the pop generation. She's locked lips with Madonna, won numerous awards, and has stolen many a show with her huge vocal performances. In case you're guilty of under-appreciating the talent of Mrs. Aguilera, take note: here's 5 reasons why you need to cop Keeps Gettin' Better - A Decade of Hits in stores 11.11.08.

5. Quality over Quantity - She's been in the game just as long as fellow Mickey Mouseketeer Britney Spears, but has only released half as many albums while Britney has received twice the notoriety. However, Christina's 3 albums have produced twice as many #1 hits atop the Billboard's Hot 100 singles chart. Plus she's just a better singer...

4. That's how many #1 Singles she has on the Billboard 100 list... really makes you wonder about all the hype behind Britney now, huh?

3. The Voice - There aren't many women that can sing a Whitney Houston song in a tribute to Whitney herself and make it sound just as good, if not better than the original. Oh please, don't take my word for it, see for yourself...

2. Versatility - She's worked with them all, from Diddy to Alicia Keys, to Herbie Hancock, each masters in their own style of music. With each collaboration she's opened herself to a new audience and embraced new styles. Have you heard A Song For You?

1. She keeps getting better - As evidenced by her new single, Christina is a master at re-inventing herself in both style and in sound. The other new song, Dynamite has a very futuristic dance-style beat which is presumably the direction for Christina's next project. This greatest hits compilation is simply a reminder, in preparation for her 4th album, which is as yet untitled but slated for a summer 2009 release. Yeah, you might wanna get this joint....

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Christina Aguilera - Keeps Gettin' Better

Also on Sound-Savvy : album review, Christina Aguilera