Article continues below advertisementOne legendary face was missing from Hollywood's biggest night.While the 2026 Oscars had several emotional moments, perhaps one of the most heart-wrenching was Rob Reiner's In Memoriam tribute at the 98th annual Academy Awards, hosted by Conan O'Brien at the Dolby Theatre at Ovation Hollywood on Sunday, March 15.Reiner - who attended O'Brien's Christmas party hours before his tragic death - was honored during the tearful segment just three months after he and wife Michele Reiner were horrifically murder inside of their Brentwood, Calif.