The Oscars may be over, but the party is just getting started! On Sunday, Diana Ross and her beautiful family stepped out together at Vanity Fair's annual bash. The 74-year-old icon [1] was joined by 46-year-old daughter Tracee and 30-year-old son Evan, who brought his 34-year-old wife Ashlee Simpson [2]. The brood was dressed to the nines and appeared to have the best time as they exchanged hugs and kisses on the red carpet. Between this and their last appearance [3] at the Grammys, it's clear the Ross family is as tight as can be.