The "Stranger Things" star took to social media to share a photo of her and Bongiovi embracing -- and eagle eyed fans have spotted a rather large ring on her engagement finger.
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"I've loved you three summers now, honey, I want 'em all," the actress, 19, captioned the image, apparently borrowing a Taylor Swift lyric.
Earlier this year, she referred to Bongiovi, who she has been linked to since 2021, as her "partner for life."
Bongiovi, 20, also shared images on social media around the same time Tuesday, including one of the couple hugging and looking out to sea, captioned "Forever."
Bongiovi is one of Bon Jovi rocker Jon Bon Jovi's four children, who he shares with wife Dorothea Hurley.
Brown has previously confirmed that she met Bongiovi "on Instagram." "We were friends for a bit, and then, what can I say?" she told WIRED magazine.
CNN has reached out to representatives for Brown for comment.
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Brown shot to fame for her starring role as the telekinetic Eleven in "Stranger Things," which will conclude with Season 5, according to Netflix.
Since her "Stranger Things" debut, she has starred alongside Henry Cavill as Sherlock Holmes' sister in "Enola Holmes" and "Enola Holmes 2," and launched her own beauty line.
Last year, she revealed she had enrolled in Purdue University and is attending classes online.
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