Janet Jackson is looking slim and trim these days. The 45-year-old singer, whose weight has fluctuated over the years, unveils her svelte figure in a new television ad for Nutrisystem, the home delivery weight-loss program.

While Janet is celebrating her weight-loss success, she won’t say exactly how many pounds she has lost. However, Nutrisystem previously claimed she shed 10 pounds in a little more than a month.

Watch Janet flaunt her sexy body in the commercial below.