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Taylor Swift, Rupert Grint

Getty Images; AP Photo

They've got the finest cars, the biggest houses, the nicest clothes and travel to the most exotic destinations around the world. Yes, we're talking about Dorothy Wang, Morgan Stewart and the other #RichKids of Beverly Hills' stars, but we're also talking about rich kids like Miley Cyrus, Justin Bieber and more!

For instance, did you know that country songstress Taylor Swift is worth a hot $150 million? From singers and musicians to actors and actresses, we've compiled the ultimate list of rich kids under 30, their net worth, along with other fun facts!

Miley Cyrus Instagram


Which celebrity is worth more than her famous dad? And can you guess which sisterly duo tops the rich list at a whopping $300 million?

Click on the pics below to see all of the rich kids we didn't know were so rich!

Tune-in for an all-new season of #RichKids of Beverly Hills on Sunday, August 3 at 10/9c on E!