If you want the full version and license for commercial use,
you can purchase here :

https://fontkong.com/product/rossalina-emma/

File Font Version : 

1. Rossalina Emma.otf
2. Rossalina Emma.ttf
3. Rossalina Emma.woff
4. Rossalina Emma Italic.otf
5. Rossalina Emma Italic.ttf
6. Rossalina Emma Italic.woff