The 22-year-old model gave birth to her first son Saphir, who she shares with fellow model Adonis Bosso, on Friday (14.09.18) - and has revealed that she went into labour during Rihanna's New York Fashion Week Savage x Fenty Lingerie Presentation in Brooklyn.
Sharing a photo of herself during the show on Instagram, she wrote: "A lewk, 14 hours of labor, and A king is born.
"This is the face of a WOMAN IN LABOR, we hold shit down most of us don't even know how much we're going through, I'm here to say I CAN DO WHATEVER THE F**K I WANT WHENEVER THE F**K I WANT AND SO CAN YOU. (sic)"
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A post shared by @ slickwoods on Sep 14, 2018 at 9:30am PDT
It was reported that an ambulance was called moments after the model stepped off the runway.
Slick rose to fame two years ago after featuring in a campaign for Kanye West's Yeezy brand and since then has appeared in several international editions of Vogue and a campaign for Calvin Klein.
The model stunned on the catwalk wearing a black string one-piece, gold glittering sheer stockings and pointed nipple covers - and the ensemble was paired with chunky gold hoops and a black velvet headband.
It's not surprising the star decided to walk whilst pregnant, as she has previously said her pregnancy has made her view her body in a totally different way.
She said: "I now see my body as something that nourishes my child.
"I used to treat it as an accessory. I have a newfound appreciation for who I am as a woman, my body, and what I can do. I'm happy I'm experiencing it so young."