After making an appearance in a recent Britney Spears video, and showing up again in Christina Aguilera's video for "Keeps Gettin' Better" (about 1:07 in), Nokia's marketing strategy regarding their new 5800 XpressMusic is becoming pretty clear. At least this time the singer can actually, you know...sing. Hit the jump to check out a couple of stills.Nokia 5800 XpressMusic Pimped in Christina Aguilera Video Nokia 5800 XpressMusic Pimped in Christina Aguilera Video [zomg its cj]