1. the power of perceived authenticity: comparing the efficacy of endorsements of beauty products between traditional celebrities and social media influencers Open Access Author: E, Zihang Title: the power of perceived authenticity: comparing the efficacy of endorsements of beauty products between traditional celebrities and social media influencers Area of Honors: Advertising/Public Relations Keywords: influencercelebrityinfluencer marketingendorsementadvertising File: Download Thesis_paper_final_0731.pdf Thesis Supervisors: Heather Shoenberger, Thesis SupervisorFuyuan Shen, Thesis Honors Advisor