Olivia Rene (frequently tagged as “Muscle Mami” or “Muscle Mommy”) is an American competitive fitness athlete, digital creator, and physique competitor. She gained prominence in the online fitness community by documenting her bodybuilding transitions and advocating for heavy strength training for women. 1. Full Name & Aliases • Legal/Full Name: Olivia Renee Muller. • Aliases / Handles: Olivia Rene, @oliviareneefit, Muscle Mami, Muscle Mommy. 2. Place of Birth (POB) • Location: United States (She has been primarily based and active out of the Arizona region during her competitive tenure). 4. Date of Marriage (DOM) and married to. • Status: Married to fellow fitness enthusiast and creator Matt Muller. 6. Vital Stats • Height: Approximately 5'4" to 5'6". • Weight: Varies significantly depending on her competitive calendar (cycles between a lean, sub-130 lbs. stage weight and a higher, muscle-building "off-season" weight). 8. Current Occupation & Location of Work • Occupations: Fitness Coach, Digital Content Creator, and Physique Competitor. • Location of Work: Phoenix, Arizona, United States. 9. Career Highlights • NPC Competition Circuit: She actively competed in the National Physique Committee (NPC) Bikini and Fitness divisions. She secured consecutive top-5 placements, including multiple runner-up finishes. • Digital Brand Building: Successfully cultivated a highly engaged following under the niche "Muscle Mami" demographic, using her platforms to share workout guides, healthy lifestyle tips, and specialized training routines.