WHATS THE NAME OF THIS SoNG?

Ok who sings this song and whats the name of it..people have told me diffrent answers...i know its from reyes featuring Pitbull i think the name is HIT ME UP or something but people have said many diffrent answers it goes like...i wanna freak you ery day wanna freak you ery night hit me up hit me up...SO WHATS THE NAME OF IT and where on the internet can i hear it for free?Please thank you..