Holy HOLY shiz. We can barely even contain ourselves!
Check out what surprised Oprah most about Rihanna in the preview (above)!!!
Ooh! Looks like we are in for one SUPER revealing interview, where we'll get a more intimate glimpse of the superstar!
Wonder what the Mighty O’s favorite RiRi song is? S&M? Rude Boy? …Birthday Cake??? LOLz!
One could only hope she reveals it August 19 at 9pm on OWN!