Jessica Simpson’s Inappropriate Caption

Did Jessica Simpson go too far with her caption? Sure, we all know the lyrics to 'Milkshake' by Kelis and we love to sing along. I practically sing it every time I see myself in the shower... My milkshake brings all the boys to the yard, and they're like... You know the rest. So here's the Sassy pic Jessica posted...

In case you can't see it up above, here it is...

So what do you guys think, inappropriate caption or spot on?