Celebrity·Posted on Nov 26, 2013Everything You Need To Know About Brandi Cyrus, Miley's Hot Older SisterHow did everyone NOT notice her before?by Whitney JeffersonBuzzFeed StaffLinkFacebookPinterestTwitterMail A funny thing happened at the American Music Awards on Sunday. When Billy Ray and Miley showed up, everyone on the red carpet was like, WHO'S THAT GIRL? Tap to play GIF Tap to play GIF It was Brandi Cyrus, Miley's 26-year-old sister. And she's been here all along! Literally. Because they're siblings. At Hannah Montana premieres, Giving advice to teenage Miley, View this video on YouTube and even playing on the same stage as Billy Ray. (That's because she's a musician too.) View this video on YouTube She even made a few cameos on her sister's Disney show. View this video on YouTube She and her dad are pretty tight. Even though she's technically Miley's half-sister. But who could ever tell? She's a horse lover and competitive equestrian. She loves dogs too. She splits her time between Los Angeles and Nashville. She has cool hair sometimes. She was the only interview her sister had at the this year's AMAs. View this video on YouTube She also models and has a fashion line. And now you know about Brandi Cyrus! See also: A Complete Guide To The Cyrus Family buzzfeed.com