Article continues below advertisementGabrielle Union took the plunge in a see-through gown.The actress, 53, rocked a daring, backless lace dress while attending the Oscars Gold Party at the Chateau Marmont in Los Angeles, Calif., on Sunday, March 15.Union shared a series of snaps from the event to her Instagram on Tuesday, March 17. She posed in what appeared to be a photo booth alongside Queen Latifah and husband Dwyane Wade.