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The whole idea came into being earlier this year, when Christina started a performance with a snippet of Blake's "Hillbilly Bone." "That. Just. Happened!!!!! @TheRealXtina I'm speechless," Blake tweeted minutes after.
"@blakeshelton Now we need to team up for a country duet Blake!! I'm down!! Let's go!" tweeted Christina in response.
"That's an understatement to say that I'm 'open' to singing a duet with Christina Aguilera," Blake told Stereotude, "more like I would pay her, I would beg her, I'll wash her car, I'll clean her house, babysit her kid ..."
And it looks like his bribes paid off.