The Aussie singer beforehand made headlines for his romance with Gigi Hadid.
Poking fun at the "Pretty Brown Eyes" hitmaker, hours later, Cyrus took to her own Instagram and responded by sharing several pics of herself as a child and now.
Fan reaction to the possibility of Cyrus and Simpson was decidedly mixed on Twitter.
However, proving she strikes on rapidly, Miley has since been seen kissing Cody and it's induced every kind of a stir throughout the web.
But as things continued to move at a rapid pace between the two, sources say Miley realized she wasn't ready to jump back into another committed relationship, especially for how soon it's been.
In a follow-up post, Cyrus explained that she is going to continue to be out-and-about with the person she is "dating".
He added, "I was a big Miley Cyrus fan and I think she will be forever the most date-able Disney star". "Cyrus then went on to talk about the double standards where only women are "slut-shamed" whereas men are referred to as "legends" and 'ladies man".
The pair got together for a movie night on Sunday to watch Blue Hawaii and together they sang along to Elvis Presley's "Ku-U-I-Po".
Miley Cyrus has seemingly moved on after her split from Kaitlynn Carter.
She said: "I know the public feels invested in my past relationship because they felt like they saw it through from the beginning".
A rep for the high-profile duo said: "Liam and Miley have agreed to separate at this time". According to her dating reports, she also posted Shirtless Picture of Cody saying "Yes".
Since their romance was unveiled earlier this week, both Miley and Cody have been flaunting their feelings for each other all over social media. "She's super open-minded and I'm working on becoming more like that". "Don't f-ing pity me, that's not what I'm asking for".
Rumors that after breaking up with Miley Liam Hemsworth and a brief affair with Kathleen Carter the pair started Dating, there was last week.