What are Yumeng Xie's most iconic performances featuring 'SuperShy' and 'Fast Forward'?

Based on the available content, it seems that Yumeng Xie has shared some interesting performances on Instagram. One of them is titled 'SuperShy' where she appears to be showcasing a new pair of jeans. Another performance is titled 'Fast Forward at U.S. Capitol' featuring music from @somsomi0309. Unfortunately, the specific details of these performances aren't provided in the content I have.

Would you like to know more about Yumeng Xie's other performances or her overall style in performances?