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She represented as Miss Philippines in the 57th Miss World pageant on December 01, 2007.[1]. She is presently an MTV VJ, the first Philippine beauty queen to become one.
After her crowning as Bb. Pilipinas World 2007, one columnist allegedly questioned her qualifications for not being a high school graduate, which is one of the requirements for joining the pageant. A former Binibining Pilipinas-World titleholder and Miss World 1993 Finalist, Ruffa Gutierrez, defended Wilson in a television interview, saying that the latter was chosen because she is tall, stunningly pretty and smart.
Incidentally, Wilson shares the same name as Miss Tanzania in Miss International 2005, Margareth Wilson, as well as the Speaker of the House of Representatives in New Zealand, Margeret Wilson.
She participated in the 57th Miss World pageant in Sanya, China in December 2007 but was unplaced.