According to new reports, the duo have reportedly called it quits so Miley can "focus on herself" - despite neither parties having actually confirmed they've separated.
An insider told Radar Online, "They are taking a break, but want to remain friends.
“She said she just needs to focus on herself."
Their alleged split will come as a shock to many of their fans, as they have been very public with their PDA on Instagram, constantly posting photos and videos of them together, messing around and kissing.
CHECK OUT: Celebrity couples we never saw coming
Swipe through to see all the surprising celebrity couples we never saw coming...
Miley Cyrus ‘splits’ from Cody Simpson after whirlwind romance
2 of 17
Mary-Kate Olsen and Olivier Sarkozy
Olsen twin Mary-Kate married French banker Olivier Sarkozy in 2015, despite a 17-year age gap between the pair.
Swipe through to see all the surprising celebrity couples we never saw coming...
Gabby Allen and Myles Stephenson
After her split from fellow Love Island star Marcel Somervillle, CBB star Gabby Allen announced she is now dating X Factor winner Myles Stephenson.
Prince Harry and Meghan Markle
Prince Harry and Suits actress Meghan Markle began dating in October 2016 and married in May 2018. Their first child is due in Spring 2019.
Channing Tatum and Jessie J
After splitting from his wife in early 2018, EVERYBODY was left in shock when reports suggested Channing Tatum is dating pop star Jessie J.
Selena Gomez and The Weeknd
Nobody saw a romance between singers Selena Gomez and The Weeknd coming! But they went strong until October 2017 when the pair reportedly split up.
Cheryl and Liam Payne
Cheryl and One Direction singer Liam Payne shocked the world when they announced they were dating back in February 2016. Despite a ten year age gap, the couple welcomed their first child, Bear Grey Payne, back in March 2017. However, in July 2018, Cheryl and Liam released a joint statement revealing they'd split.
Katy Perry and Russell Brand
Katy Perry and Russell Brand married in 2010, much to the surprise of fans. Their marriage was short-lived, leading to a divorce in 2012.
Taylor Swift and Tom Hiddleston
Taylor Swift and Tom Hiddleston were 2016's most talked about romance! Unfortunately, the couple went their separate ways a year later.
Rob Kardashian and Blac Chyna
Rob Kardashian started dating Blac Chyna in 2016, despite her previously dating Rob's sister's ex-boyfriend Tyga. They welcomed a baby girl together called Dream and later ended on very bad terms!
Vogue Williams and Spencer Matthews
Fans didn't expect Vogue Williams and Spencer Matthews to become a couple! The pair met when they were filming for Channel 4 show The Jump in 2017, got married in June 2018, and welcomed son Theodore in September 2018.
Sacha Baron Cohen and Isla Fisher
Sacha Baron Cohen and Isla Fisher married in 2010 after a six year engagement. Nobody saw this marriage coming with the unusual movie roles Sacha plays!
Stephanie Pratt and Jonny Mitchell
Love Island star Jonny Mitchell and Made In Chelsea's Stephanie Pratt left fans in shock when they confirmed their romance with this picture in September 2017. Sadly, the couple have split in December 2017.
Benji Madden and Cameron Diaz
Actress Cameron Diaz married Benji Madden just two months after she met him, despite many not seeing their romance coming.
Nicole Richie and Joel madden
After starring in TV show The Simple Life with her best friend Paris Hilton, Nicole Richie turned a lot of heads when she married Good Charlotte singer Joel Madden in 2010! They share children Harlow and Sparrow.
Chris Martin and Jennifer Lawrence
After his split from Gwyneth Paltrow, Coldplay singer Chris Martin was spotted getting cosy with The Hunger Games actress Jennifer Lawrence. Despite not actually confirming a romance, the pair reportedly called things off in 2016.
Sam and Aaron Taylor-Johnson
Fans of actor Aaron Johnson were left in shock when he married Fifty Shades Of Grey director Sam Taylor. Despite Sam being 24 years older than Aaron, the pair combined their surnames when they got married in 2012. They now have two daughters together, Wylda and Romy.
Mary-Kate Olsen and Olivier Sarkozy
Olsen twin Mary-Kate married French banker Olivier Sarkozy in 2015, despite a 17-year age gap between the pair.
Swipe through to see all the surprising celebrity couples we never saw coming...
Gabby Allen and Myles Stephenson
After her split from fellow Love Island star Marcel Somervillle, CBB star Gabby Allen announced she is now dating X Factor winner Myles Stephenson.
Prince Harry and Meghan Markle
Prince Harry and Suits actress Meghan Markle began dating in October 2016 and married in May 2018. Their first child is due in Spring 2019.
Channing Tatum and Jessie J
After splitting from his wife in early 2018, EVERYBODY was left in shock when reports suggested Channing Tatum is dating pop star Jessie J.
Selena Gomez and The Weeknd
Nobody saw a romance between singers Selena Gomez and The Weeknd coming! But they went strong until October 2017 when the pair reportedly split up.
Cheryl and Liam Payne
Cheryl and One Direction singer Liam Payne shocked the world when they announced they were dating back in February 2016. Despite a ten year age gap, the couple welcomed their first child, Bear Grey Payne, back in March 2017. However, in July 2018, Cheryl and Liam released a joint statement revealing they'd split.
Katy Perry and Russell Brand
Katy Perry and Russell Brand married in 2010, much to the surprise of fans. Their marriage was short-lived, leading to a divorce in 2012.
Taylor Swift and Tom Hiddleston
Taylor Swift and Tom Hiddleston were 2016's most talked about romance! Unfortunately, the couple went their separate ways a year later.
Rob Kardashian and Blac Chyna
Rob Kardashian started dating Blac Chyna in 2016, despite her previously dating Rob's sister's ex-boyfriend Tyga. They welcomed a baby girl together called Dream and later ended on very bad terms!
Vogue Williams and Spencer Matthews
Fans didn't expect Vogue Williams and Spencer Matthews to become a couple! The pair met when they were filming for Channel 4 show The Jump in 2017, got married in June 2018, and welcomed son Theodore in September 2018.
Sacha Baron Cohen and Isla Fisher
Sacha Baron Cohen and Isla Fisher married in 2010 after a six year engagement. Nobody saw this marriage coming with the unusual movie roles Sacha plays!
Stephanie Pratt and Jonny Mitchell
Love Island star Jonny Mitchell and Made In Chelsea's Stephanie Pratt left fans in shock when they confirmed their romance with this picture in September 2017. Sadly, the couple have split in December 2017.
Benji Madden and Cameron Diaz
Actress Cameron Diaz married Benji Madden just two months after she met him, despite many not seeing their romance coming.
Nicole Richie and Joel madden
After starring in TV show The Simple Life with her best friend Paris Hilton, Nicole Richie turned a lot of heads when she married Good Charlotte singer Joel Madden in 2010! They share children Harlow and Sparrow.
Chris Martin and Jennifer Lawrence
After his split from Gwyneth Paltrow, Coldplay singer Chris Martin was spotted getting cosy with The Hunger Games actress Jennifer Lawrence. Despite not actually confirming a romance, the pair reportedly called things off in 2016.
Sam and Aaron Taylor-Johnson
Fans of actor Aaron Johnson were left in shock when he married Fifty Shades Of Grey director Sam Taylor. Despite Sam being 24 years older than Aaron, the pair combined their surnames when they got married in 2012. They now have two daughters together, Wylda and Romy.
Mary-Kate Olsen and Olivier Sarkozy
Olsen twin Mary-Kate married French banker Olivier Sarkozy in 2015, despite a 17-year age gap between the pair.
The 26-year-old recently took a less-than-subtle dig at her ex Liam in an online video, saying, "There are good people out there that just happen to have d----. I’ve only ever met one, and he’s on this live referring to Cody.
She then went on to upset the LGBTQ+ community by claiming, "You don’t have to be gay, there are good people with dicks out there, you’ve just got to find them." However, Miley has since apologised for these comments.
Despite the rumours, Miley or Cody are yet to confirm anything.
Turn it up with Hits Radio! Home of Fleur East, Sam Thompson and Gemma Atkinson playing the biggest hits and the biggest throwbacks, alongside the biggest laughs and life-changing competitions. Tune in on FM, DAB, online or ask your Smart Speaker to 'Play Hits Radio'.
