My mom asked if I wanted her to put my engagement on their Christmas cards this year. She always puts together a "photo letter", with captions and little paragraphs of events throughout the year (e.g., graduation, moves, vacations, etc.).
She said she didn't want to take away from any announcements I do, and so left it up to me. I'm totally fine with her putting it on there (I send out my own Christmas cards as well, but everyone on my list already knows), but figured I'd check with you etiquette gurus to make sure I/she wasn't breaking any rules (or ya know, being horribly tacky

). Not everyone on her Christmas card list will be invited to the wedding, but it's a small friends/family thing.