Since "Caroline" and "Vika" are common names, there are two likely possibilities for what you are looking for.
Or is this a specific you've recently discovered? caroline vika sisters
(If you were instead looking for the popular social media duo who run the "Vika and Caroline" channels—often associated with fashion and lifestyle content—please let me know, and I can provide a write-up focused on their digital brand.) Since "Caroline" and "Vika" are common names, there