The new WeightWatchers commercial, Let’s Get Clinical, puts a fresh spin on weight loss by turning the classic Olivia Newton-John hit into a catchy, science-backed anthem. Featuring real people and vibrant energy, the ad emphasizes WeightWatchers’ focus on clinical approaches, including GLP-1 medications, to help members achieve sustainable results. With its playful yet informative tone, the commercial positions WeightWatchers as a modern, science-driven solution for weight management while keeping the brand’s signature accessibility and motivation at the forefront.