Feeling Bad for Han Zhuoling

"And previously, when Xia Yixin called Shi Xiaoya a mistress at the gala, it seemed like we misunderstood. Xia Yixin was not saying that Shi Xiaoya got between her and Han Zhuoling's marriage but was referring to this video. But this video had only just been posted online tonight. It was way later than when Xia Yixin came to find trouble with Shi Xiaoya. How could Xia Yixin have known about this beforehand?