Didn't Invite Each Other: Who Did It Better? Ciara or MJB?

Here is the titled track "Supernatural" Ciara and Mary J. Blige put their spins on this song. Which diva did it better?


Ciara - "Supernatural" (Link#1)
Ciara - "Supernatural" (Link#2)


MJB - "Supernatural" (Link#1)
MJB - "Supernatural" (Link#2)