Janet Jackson displays her incredibly slim figure in a stylish all-black ensemble. (Photos)

Singer, Janet Jackson,51, showed off her incredibly slim figure in a stylish all-black ensemble at a party  in Los Angeles on Sunday

Janet who became a first-time mother at the age of 50 when she gave birth to son Eissa in January, rocked a sexy floor length leather-look skirt which she paired with a black blouse with flared arms.

The Nasty hit-maker completed her outfit with a glam black belt to reveal her tiny waist.

See more photos below..