Christina Aguilera held on for another week with Dirrty.
Will's new track is a charity single called Don't Let Me Down and he won't be that disappointed to be number two.
Robbie's top album
It's a nice reward for his record bosses in return for his record-breaking £80 million deal.
It's the cheeky singer's fifth album and it knocked Westlife's greatest hits compilation Unbreakable from the top spot.
Robbie's flying high right now: he's had to add extra dates to his massive tour because tickets have sold out within hours!
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Will Young: quiz yourself!
