Singer Jennifer Hudson has recorded a new duet featured in a commercial for Weight Watchers, belting out a tune alongside an image of her heavier self.

Creatively using footage from a 2004 performance on American Idol, the new commercial pits the old Hudson up against her newly slim self to perform the Whitney Houston classic “I Believe in You and Me.”

Hudson became a Weight Watchers spokesperson in 2010. The singer drew media attention after successfully shedding more than 80 pounds.

The company opened a Weight Watchers center named after Hudson in her hometown of Chicago in September.

“Weight Watchers has helped make my new lifestyle a reality by teaching me the tools I needed to be successful,” Hudson said in a statement at the time of the facility’s debut. “I hope this center and my story continue to serve as an inspiration to others to begin their own journey toward a healthier lifestyle.”

Hudson detailed her weight loss in a book, “I Got This: How I Changed My Ways and Lost What Weighed Me Down.”

According to ABC News, Hudson writes that she turned down the lead role for the Oscar-winning film “Precious,” claiming that after gaining weight for her role in “Dreamgirls,” she wanted to appear in a film that had nothing to do with her weight.