Janet Jackson is in control ... of her weight!

The superstar singer, who has battled with her weight in the past, shows off her slim new physique in a new promotional photo for Nutrisystem.

Wearing a skin-tight orange dress and some killer Louboutin heels, Janet looks almost too good to be true!

Check out another impressive show below:


Janet is only the latest celeb to use the company to help get a handle on their weight, following in the footsteps of Marie Osmond.

Jackson's new TV ad premieres next Monday -- get a sneak peek at it below:

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