Are Billy Ray Cyrus and Singer Firerose Engaged? See the Ring on THAT Finger

Billy Ray's latest instagram post
Billy Ray's latest instagram post
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Billy Ray cyrus/instagram Billy Ray Cyrus and Firerose

Billy Ray Cyrus and singer Firerose may be heading down to the aisle.

On Tuesday, the singers shared a joint Instagram post with close-up images of the two in front of a tree bursting with orange leaves.

The couple captioned the post "Happy Autumn🧡."

But instead of the fall foliage, the focus was instead on the diamond Firerose was wearing on her ring finger.

The rock had fans convinced that the pair were confirming their engagement, but when reached by PEOPLE, a rep for Cyrus had no comment.

RELATED:  Billy Ray and Tish Cyrus Break Silence on Divorce: 'We Go Our Separate Ways with Love in Our Hearts'

Cyrus, 61, and Firerose first sparked engagement rumors when she posted a series of Instagram images on Sept.14, posing behind a wagon wheel while wearing a diamond on her ring finger.

She captioned the image carousel, "Taking in the moment ..."

RELATED: Who Is Billy Ray Cyrus' Girlfriend? All About Firerose

Cyrus' wife of 28 years, Trish Cyrus, filed for divorce in April of this year, marking the third time they had gone their separate ways.

The pair married in 1993, and share five children: daughters Miley, Brandi, and Noah, and sons Trace and Braison.

RELATED VIDEO: Billy Ray Cyrus and Singer Firerose 'Have Been Dating for a While' — but Didn't Overlap with Ex Tish

In August of this year, Firerose confirmed their relationship with a birthday post.

"The world is a better place with you in it. Happy Birthday Billy❤️," the Australian singer wrote alongside a selfie with the country star.

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A Cyrus family source later confirmed the relationship to PEOPLE, expressing that they had "been dating for a little while."

The source then added, "They grew close while working on music together. It is what it is. He and Tish were over before he started dating her."