Kylie Jenner is working hard to finish her Hidden Hills megamansion after putting her Holmby Hills house up for sale in December for $48 million.  The 28-year-old shared insight into her home transformation on Instagram on Thursday, and revealed her plans to build a two-storey closet to house her extensive wardrobe. See inside Kylie’s teenage home below… Recommended videoYou may also likeWATCH: Kylie Jenner Opens The Doors To Her Teenage Bathroom In  $14.8 Million Mansion © Instagram Kylie’s new home Kylie shared a snap of a set of stairs leading upwards with a smooth, arched doorway and a rectangular window on the wall. “Building my dream two-storey closet,” she wrote in the caption, before giving fans a glimpse into her daughter Stormi’s room. The mom of two took a photo inside Stormi’s shower room, which featured marbled walls and a small square window. “Stormi’s little window in her shower,” Kylie wrote in the caption. She shares Stormi and her three-year-old son, Aire, with her ex-partner, Travis Scott. She then snapped a picture of the ongoing …