The five youngest billionaires in America have a combined net worth of US$28.5 billion. Kylie Jenner, the youngest billionaire in the world, spends much of her fortune on new homes, customising luxury cars and holidays with her baby daughter, Stormi Webster. Jenner is known for flaunting her wealth on social media, as she did after chartering a US$200 million superyacht for her 22nd birthday celebrations. Who are the 10 new Asian billionaires hot on the heels of Jeff Bezos? After Jenner, there is Snapchat co-founder Evan Spiegel, who, at 29, is also one of the world’s youngest billionaires. Spiegel takes a more low-key approach to how he spends his time and money, especially since marrying model Miranda Kerr in 2017. Spiegel and Kerr reportedly live together in a US$12.5 million home in Brentwood, California, and also have an oceanfront Malibu cottage worth nearly US$2 million. Here’s how Jenner, Spiegel, and America’s other youngest billionaires spend their time and money. 1. Kylie Jenner, the world’s youngest billionaire at 22, has a net worth of US$1 billion She spends much of her fortune on luxury cars, holidays with her daughter, Stormi Webster, and accessories like handbags. Her car collection alone is reportedly worth millions. According to E! News , the 22-year-old at one time owned four homes, including three in Hidden Hills, California. For her 22nd birthday, the make-up mogul chartered a US$200 million yacht named Tranquility . View this post on Instagram ♥️ A post shared by Kylie (@kyliejenner) on Aug 12, 2019 at 12:03pm PDT According to the charter listing, Tranquility costs over US$1.2 million a week to rent. Kylie Jenner rented it; Jho Low owned it: inside the superyacht Tranquility She has an extensive collection of rare Hermès handbags . View this post on Instagram Oh fall, i missed you A post shared by Kylie (@kyliejenner) on Sep 29, 2019 at 4:48pm PDT Jenner spends plenty of money doting on her 1-year-old daughter, Stormi Webster. In November, Jenner gave fans a brief “tour” of Stormi’s playroom, showing off the baby’s monogrammed Louis Vuitton bag and set of decorative skateboards reportedly worth over US$12,000. More recently, Jenner posted about the Fendi stroller and matching Fendi diaper bag she’d bought for her daughter, both reportedly costing thousands of dollars. 2. Evan Spiegel, 29, has a net worth of US$3.6 billion He’s the co-founder and CEO of Snap Inc, the company that owns social media platform Snapchat. According to Forbes , Spiegel is “one of only three self-made billionaires in the world under the age of 30”. Can you name the 17 richest people in Singapore? Spiegel is married to model Miranda Kerr. The two live in a 7,164-square-foot, US$12.5 million home in Brentwood, California. They also reportedly own a 1,700-square-foot cottage in Malibu, which Kerr bought for US$2.15 million after she first moved to Los Angeles. The home is eco-friendly, and has a machine that produced sustainable water for the whole house. View this post on Instagram Good morning sunshine ☀️️ A post shared by Miranda (@mirandakerr) on Oct 18, 2019 at 10:42am PDT Spiegel proposed to Kerr in 2016 with a 2.5-carat diamond ring that reportedly cost nearly US$100,000. They married in 2017, and Kerr wore a custom made Christian Dior couture wedding gown. View this post on Instagram ️ A post shared by Miranda (@mirandakerr) on Jul 16, 2017 at 10:34pm PDT The pair reportedly had their honeymoon at a resort in Laucala, a private island in Fiji. One night at one of the 25 villas costs between US$6,000 and US$60,000, with a minimum stay of at least four nights. View this post on Instagram Enjoy the privacy in one of our spacious Beachfront Villas @laucalaisland #laucalaisland #anislandwithoutequal #adayisnotenough #leadinghotelsoftheworld #virtuoso #travellermade #luxury #pictureoftheday #photooftheday #privateisland #tourismfiji #fiji #southpacific @c.ganster @edvena.dsouza A post shared by Laucala Island, Fiji (@laucalaisland) on Feb 26, 2017 at 9:03am PST Some sources, however, reported that Spiegel and Kerr stayed at the owner’s home instead. After Snap went public, Spiegel took a “bro trip” on a superyacht that costs US$967,415 per week. He reportedly sailed to Italy and Greece. How billionaire Kylie Jenner ‘earns US$1 million per Instagram post’ He also bought himself a Ferrari in 2015. 3. Then there is 31-year-old Bobby Murphy, chief technology officer of Snap He has a net worth of US$3.7 billion. He co-founded Snapchat with Spiegel. Forbes reports that Murphy has spent more than US$30 million on real estate in Pacific Palisades and near Venice Beach, where Snap’s headquarters are located. In 2018, he spent US$19.5 million on a Palisades home once owned by actor Eddie Albert. A year later, he bought the 4,432-square-foot home next door for US$9.5 million. According to Variety , sources say Murphy is hoping to build a bigger estate. Murphy also owns a US$6 million home elsewhere in the Palisades, a US$2.26 million home in Venice, a US$2.1 loft near Venice, a US$2.1 million home in Santa Monica, and a US$5 million home in Venice. 4. Lukas Walton, 33, has a net worth of US$18.2 billion Walton is a grandson of Sam Walton, best known as the founder of Walmart. He inherited his fortune after his father died in a plane crash. 15 of the richest people in the US$2.5 trillion fashion industry According to Forbes , he received nearly a third of his father’s fortune, while his mother received a sixth. Walton also owns stakes in First Solar and Arvest Bank. He is chair of the environmental programme committee at his family’s foundation, where he has donated nearly US$149 million. He lives in Jackson, Wyoming. Walton, like many of the other Walmart heirs, keeps his life fairly private. A 2015 profile revealed that he grew up in National City, California, where the median income is US$30,000 according to the 2000 census. He attended Colorado College where he received a bachelor’s in “environmentally sustainable business” – a major he created. According to the family’s foundation website, he also studied “energy efficiency and hydrological/geothermal energy in Reykjavik, Iceland. According to New York Magazine , he has voting rights on his family’s holding company board, Walton Enterprises, which still holds a 50.2 per cent stake in Walmart. 5. 34-year-old Julio Mario Santo Domingo III has a net worth of US$1.9 billion He is a disc jockey, and formed Sheik ‘n’ Beik Entertainment in 2013 with Herve Larren. His wealth comes from his grandfather, who once controlled the entire beer industry in Colombia. In 2015, Larren sued Santo Domingo, claiming that Santo Domingo used him for business connections, then excluded him from the earnings for a Florida music festival. Larren filed a US$37.8 million lawsuit in New York. Larren alleged that Santo Domingo persuaded him to leave his job at LVMH to help launch Santo Domingo’s DJ career. According to Larren, Santo Domingo used Larren’s connections from LVMH, as Larren helped Santo Domingo secure DJ jobs in Paris, London, Monaco and Ibiza. Is Julia Flesher Koch now the richest woman in the world? Before the Florida music deal, Santo Domingo fired Larren, accusing him of embezzlement. Santo Domingo had sued Larren, alleging that Larren took a US$1.8 million loan from him (reportedly meant to help launch an online charity auction company), then spent it on his “extravagant lifestyle” instead. Other than legal disagreements with his former business partner, Santo Domingo seems to live a pretty charmed, but otherwise private-from-the-public life. His brother-in-law is Andrea Casiraghi, a Monegasque prince. His uncle is Alejandro Santo Domingo, chairman of the Santo Domingo Group, who has a net worth of nearly US$4 billion. In 2016, he married reporter Nieves Zuberbühler in a Halloween-themed wedding. The ceremony was held at the Visitation of the Blessed Virgin Mary Parish in Red Hook, Brooklyn. View this post on Instagram Congratulations @nevadagrosa & @rechulski See more from the journalist #Wedding Up in the #WeddingRoom on www.europedreamsevents.com - Brides dress: @brandonmaxwell Event planner: The Silktone Planning Company @philwinser Photographer: @carlosvdh || #Edweddings #nievesandjulio #julioandnieves #Europeweddingvendors #fairytalewedding #italianwedding #weddingdetails #frenchwedding #weddingday #rusticwedding #chicvintagewedding #vintagewedding #bohowedding #weddingday #wedding #weddingseason #weddingdetails #weddinglife #weddingbells #europedreams #spanishwedding #londonwedding #italianwedding #russianwedding #bridestyle #weddinglife #europewedding #europedreams #europegallery A post shared by The Wedding Room (@edweddings) on Nov 1, 2016 at 1:35am PDT He lives in New York City, while his wife is a working reporter. Her Instagram posts show her travelling the world. Want more stories like this? Sign up here . Follow STYLE on Facebook , Instagram , YouTube and Twitter . This article originally appeared on Business Insider .