YES!!!!! I'm really excited for this.
I hope they make a seperate music video for the remix too, like the RnB/hip hop artists usually do with their remixes.
Although LMFAO are also producers, so it's possible they could just be remixing the instrumental, rather than actually rapping on it. We'll have to see, but ideally it'll be both. It won't be on her album, so it's not a big deal.