This document summarizes a research methodology that examined the influence of celebrity brand endorsements on consumer preferences. The study involved a questionnaire distributed to 100 respondents in Mumbai to understand how factors like celebrity type, advertisement medium, age, and gender related to brand recognition and purchase decisions. Statistical tests like chi-square and factorial design were used to analyze the data and determine if relationships between variables were statistically significant. The conclusions were that celebrity endorsements did not significantly impact consumer preferences on their own but the combination of endorsement type and advertisement medium did create a significant difference in brand recognition.