Kim Kardashian West has had a busy week with the launch of her highly-anticipated Skims shapewear line, as well as her KKW Beauty collaboration with Winnie Harlow But luckily, the mother-of-four is taking some time to focus on herself as she enjoyed some pampering this weekend She was spotted Sunday stepping out of a spa in West Hollywood with daughter North The 38-year-old cut a casual look in a skintight grey tank top, which hugged her signature Kardashian curves She wore it tucked into a pair of printed teal sweatpants from husband Kanye West’s Sunday Service merch collection Kim also wore her husband’s brand on her feet, rocking a pair of grey Yeezy trainers with multicolored details She carried a Starbucks cup and a white alligator skin Hermès Birkin bag as they left the spa She also held hands with North, six, who sported a pink and blue tie-dye horse t-shirt, paired with some matching pink sweatpants  The beauty mogul recently returned from New York City, where she and Winnie Harlow attended a launch party for their KKW Beauty collaboration She donned a black shirt, buttoned halfway up, tucked into a silver sequined mini skirt, which hugged her curves The event celebrated the makeup collection, which includes a 12-pan eyeshadow palette, a highlighter duo and three glosses  It took place during New York Fashion Week at L’Avenue at Saks, featuring a star-studded guest list, including Paris Hilton, La La Anthony, Karrueche Tran and Patrick Starrr