LOS ANGELES, CA - NOVEMBER 18: Recording artist Sia performs onstage at A+E Networks "Shining A Light" concert at The Shrine
Christopher Polk/Getty Images for A+E Networks

If you're a big pop star, chances are Sia has written for you at some point. From Katy Perry and Christina Aguilera to Carly Rae Jepsen and Maroon 5, the "Chandelier" singer has written loads of pop hits, so it's no surprise she has the insider scoop on new Beyoncé music.

In an interview with Rolling Stone to promote her upcoming This Is Acting album, the Australian torch singer was asked what upcoming project she's been submitting song ideas to lately. Sia casually mentioned, "I didn't send as much to Beyoncé," before adding, "though I do know she's working on something." This marks the first official news of the follow-up to 2013's Beyoncé, on which Sia co-wrote the standout "Pretty Hurts."

The "Alive" star also gave a little insight into how Bey creates her albums:

"The process is like a writing camp, essentially. She flies us all in and puts us all up. We all live in a house together—like five producers and five topline writers. She visits each room and will contribute and let us know what she's feeling and what she's not feeling. Lyrically, melodically, anything. She's very Frankenstein when she comes to songs. She'll say, 'I like the verse from that. I like the pre-chorus from that. Can you try mixing it with that?'"

Sia also said she's been submitting a lot of songs to Rihanna, as the star's team is "always looking for that first single...she's been looking for a couple years." Check out the full interview at Rolling Stone which details more about Sia's experiences with Adele, Katy Perry and more.