Dawson's Mom 12/17/2010 1:55 PM PT The 56-year-old resurfaced at some event in L.A. this week, looking pensive. Mary-Margaret was third runner-up in the 1975 Miss USA pageant. Humes played Vestal Virgin Miriam in the 1981 movie "History of the World Part 1." Share on Facebook Share on X See also Prince's Ex-Wife Mayte: 'Memba Her? Singer Dionne Farris: 'Memba Her? Wendy from Wilson Phillips: 'Memba Her? Mary-Margaret Humes