Yes, champagne mixes beautifully with other bridesmaid dress colors for an on-trend ombre or gradient bridal party look
Shop the Outfit: Top: Bloomingdales (exact or similar) Skirt: Theory (similar here or here) Shoes: Salvatore Ferragamo (similar here or lower price here) Casual: Lace Top + Colored Denim Colored denim is a fun way to change up traditional denim jeans
banner / heart sunglasses (similar)
While it may seem like what you choose to wear doesnt matter, failing to dress yourself according to the desired level of formality could be perceived as a slight at your hosts and will, at the very least, cause you to be extremely noticeable around the other guests who dressed correctly
Guests, on the other hand, want to look festive and polished while ensuring the couple, and especially the bride-to-be, remains the focus