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She was former artist of ABS-CBN through the talent search Star Circle Quest; and on 2007, Annabelle Rama took her under her wing as her manager and now a GMA Network artist along with her older sister Ehra Madrigal. She, her older sister Ehra, and her mother Karla Kalua are distant relatives of affluent Spanish-Visayan family, the Madrigal Family. Michelle and Ehra (a 2-time covergirl) were both covergirls for the September issue of FHM (2006 for Ehra and 2007 for Michelle). She considers Dyesebel as her biggest break on television where she plays a villainess Berbola.