Like it or not, Pitbull is consistent (aside from that random flop with Shakira) and this will almost surely be a radio smash, which is just what she needs to get back in the public eye.
Plus Pitbull is... well... Mr. Worldwide, which should do wonders for Kesha's international exposure.
Perfect.
And if this is indeed a lead single for a new album, it should have some substantial promo.