Kylie Jenner has rarely shown off her baby son, whose name is still a mystery, so fans were clearly delighted on Wednesday when she shared several photos of them together.MORE: Inside the Kardashian-Jenners' jaw-dropping houses – Kylie, Kim, Kris and moreIn the pictures, the beauty mogul can be seen looking stunning poolside in a black bikini with her son lying flat on a sunbed, in between her legs.WATCH: Kylie Jenner talks postpartum struggleAnother adorable photo sees big sister Stormi matching her brother in the same trainers.SEE: Kylie Jenner's Paris Fashion Week wardrobe: an exact rundown of her most glam SS23 looksREAD: 15 times the Kardashians slayed Halloween with the most epic costumesOne of the snaps also shows the sweet welcome banner that her kids had prepared to celebrate her return to Los Angeles after spending a week in Paris for Fashion Week. Kylie and her son enjoyed some time by the poolHer sweet post comes on the same day that a TikToker seemed to reveal her son's possible name, which was initially announced as Wolf Webster following his birth in February, but later changed."So I was online looking up trademarks, and I found Kylie's," TikTok user juulsxoxo says in a video that has since gone viral.