Oprah, Barry Diller All Hail to King and Queen ... At Oscar Party

2/28/2016 7:20 AM PST


Oprah and Barry Diller were arm-in-arm at Barry's pre-Oscar party Saturday at his Bev Hills home.

It was a big bash ... Kelly Ripa, Julianne Moore, Naomi Campbell, Rachel Zoe and a bunch of other stars showed, but the 2 moguls at the top of the heap were undeniably Oprah and Barry.