Why an example is worth ten instructions
Telling a host to be warm and specific is easy; showing them what warm and specific looks like is what actually moves the pen. Below are three complete invitation texts, each written in a different voice, with a note on the page that would sit behind it and gather replies. Borrow the shape and the tone, then swap in your own names, date and place.
The names here are placeholders for feel: think of Lena and her sister Petra, or Sofia hosting for Marta. The point is not to copy the words but to see how each voice handles the same jobs, announcing the shower, describing the day, and asking guests to reply without embarrassment.