Later, Cyrus is expected to hit the stage for a highly anticipated performance. What she'll be singing has been kept under wraps, but judging from last year's "Tiny Dancer" duet with Elton John, we have no doubt that she'll rock it!
Cyrus told ET's Keltie Knight it's been hard to keep the performance under wraps.
"I am really excited. The most exciting thing about it is, no one really knows what I’m doing and it is really hard for the world to keep a secret. And more… I’m horrible at secrets. So the fact I’ve kept this, is pretty crazy."
She also teased new music with Shawn Mendes.
"Yep. I can’t tell or it will ruin all the fun but there are definitely a lot of surprises."
Other performers include Cyrus' recent collaborator, Mark Ronson, along with Dua Lipa, Travis Scott, Lady Gaga, Shawn Mendes, Cardi B, Kacey Musgraves, Dan + Shay, Diana Ross, Post Malone and the Red Hot Chili Peppers. See the full list of performers here.
The 61st Annual GRAMMY Awards air Sunday, Feb. 10, at 8 p.m. ET on CBS. In the meantime, click through the gallery below for more red carpet arrivals: