Gushing over the sweet couple, a confidante revealed:
Because they just signed Destiny's Child alum Kelly Rowland to be the final host of the Red Carpet Pre-Show!
Ch-ch-check out the video (below) to actually see the moment the deal is made! Right around 1:58!
And stick around to hear the first clue of an Oscars mystery that will continue through all of Sunday night's festivities! Fun!
[Image via Brian To/WENN.]