Mariah Carey flaunts her new slim figure during date night with beau Bryan Tanaka (Photos)

Mariah Carey who reportedly underwent gastric sleeve surgery last November in a desperate bid to lose weight flaunted her newly slim figure in Malibu on Saturday.

The 48-year-old who wore a leather jacket over a black dress looked fit and slimmer as she left the Nobu restaurant with her 35-year-old toyboy, Bryan Tanaka.

The mother of two accessorized her look with a pair of diamond hoop earrings, a patent leather handbag and black heels for the romantic dinner. While her man decked out in jeans and a varsity jacket over a white dress shirt which he paired with sneakers for the date night.

See more photos below.