Article continues below advertisementSydney Sweeney finally addressed rumors about getting work done on her chest.During a Thursday, December 11, Vanity Fair Lie Detector Test, the actress, 28, revealed whether she has ever gone under the knife.Sweeney's The Housemaid costar Amanda Seyfried brought the controversy to her attention.Article continues below advertisementSource: Vanity Fair/YouTubeSydney Sweeney and Amanda Seyfried took a lie detector test."There's been a question on everyone's mind recently, and I just have to ask. Are your b---- real?" she asked."Yes!" Sweeney laughed.