Will Ilia Malinin continue to dominate? Can an American woman win gold? What to watch at figure skating worlds.

Stellato-Dudek, a 2000 World Junior Championships silver medalist in singles for the U.S., spent 15 years in retirement before returning in pairs and then switching to Canada. Last year, she became at age 40 the oldest female figure skater to win a world title in any of the four disciplines.