Sydney Christine Diné Yazhi (Navajo, born January 21, 1990) is an American social media influencer, bodybuilder, and entrepreneur with a combined following of over 10 million across Instagram, YouTube, and TikTok.
Born into the Navajo tribe and raised in Gallup, New Mexico, Sydney discovered fitness at a young age. She has six siblings and frequently features her close-knit family in her content.
Starting with YouTube in 2012 (makeup and fashion), she pivoted to fitness content, which resonated widely. She expanded to Instagram (2014) and TikTok (2019), rapidly gaining millions of followers. Her content includes workout videos, fitness tips, healthy recipes, and collaborations with brands and influencers.
Sydney uses her platform for mental health awareness, body positivity, and Native American representation. She shared her own struggles with depression/anxiety (2019) and launched the "Strong Hearts" campaign for self-love. She actively promotes Native culture, traditions, and history.
She currently resides in Arizona with her husband Alex and their two children.