Wii Games for Mother?

My mother has set up the wii that I left at her place and she wants to play games on it. She hasn't picked up a video game to play since she beat Legend of Zelda: A Link to the Past on the SNES. She's watched me play a few games over the years, though. So she knows a decent amount about gaming and how to differentiate a good game from a bad one. But she's so out of practice, that her skills are like a beginner's. I suggested Super Mario Galaxy to start and she likes that idea, but can anyone else think of any others that she might like? She's always liked the stories of Zelda games, but she's already seen me 100% Skyward Sword and Twilight Princess is a little too (visually) dark for her tastes, so she wouldn't be interested in that those, specifically.

She recently got into pokemon and she at least recognizes all of the big Nintendo faces (I was really surprised when she recognized Samus, though she didn't recognize Fox). She is the ultimate backseat gamer who's finally picking up the controller and I DON'T want to screw this up. All suggestions are welcome except for M rated games. She's unfazed by those, but has always shown more interest in the more childish side of gaming.