Miley Cyrus

keeps bringing the bling — while keeping fans guessing.

On Sunday,the black witch chronicles book 5 release date the 23-year-old singer uploaded an

Instagram photo

showing herself and a friend lounging at the pool. Cyrus wore a bikini emblazoned with photos of Seth Rogen (and other things she enjoys) … plus a conspicuous new addition to her ring finger.

“Pool daaaaaze,” she captioned the photo. On her ring finger, Cyrus sported a gold band which appeared to be set with small diamonds.

RETURN OF THE BLING, PART TWO

Source: Miley Cyrus Instagram

On the same day, Cyrus wore a more sizable ring on her left ring finger as she stepped out with her on-again, off-again beau

Liam Hemsworth

in Malibu, California.

The two took to Nobu restaurant in the city and Cyrus sported a larger ring that resembled the

diamond engagement ring

Hemsworth gave her in 2012.

RELATED PHOTO: Miley Cyrus Shares Adorable Photo of Liam Hemsworth and His Pup: ‘So Much Love in One Pic’

The star was dressed casually for the lunch date, wearing a black tank top with matching leggings, a denim jacket and a red American Apparel cap that sported the words “Make America Gay Again.”

Hemsworth, 26, was dressed down as well, wearing shorts and a button-down top with a T-shirt underneath.

Miley Cyrus and Liam Hemsworth

MONEY$HOT-$HAWN/Splash News Online

Cyrus and the Australian actor dated for years before he

proposed in 2012

. The two ended their engagement and

broke up a year later

, but have reconnected in recent months.

“They have been very close for the past few months,” a source close to Cyrus

told PEOPLE

in January. “They just wanted to keep their relationship out of the spotlight while they figured things out.”

Miley Cyrus Has a New Favorite Australian Food and a Tattoo to Prove It

Although the pair’s relationship status remains unclear (Hemsworth said in April that

he is not engaged

), the two have been spending a lot of time together, including

dinner with Hemsworth’s parents

,

date nights

and

spending holidays together

.

What do you think of Miley’s new jewelry? Sound off below!

–Char Adams

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