Millie Bobby Brown flashes a mystery diamond ring as she and boyfriend Jake Bongiovi pack on the PDA

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Millie Bobby Brown and her boyfriend Jake Bongiovi looked every inch in love as they shared a kiss during a New York City outing on Friday.The Stranger Things actress, 18, and the 20-year-old son of Jon Bon Jovi - whom she's been dating for a year - happily indulged in plenty of PDA as they leaned in to give each other smooches.The star was also seen flashing a gold diamond ring on her wedding finger.

It comes after she was recently spotted wearing a similar gold band on the same finger. Young love: Millie Bobby Brown and her boyfriend Jake Bongiovi looked every inch in love as they shared a kiss during a New York City outing on FridayIt's unknown whether the ring is simply an accessory or perhaps a promise ring, though Jake's parents did tie the knot at a young age: Jon and Dorothea were both around 27-years-old when they wed in 1989.

DailyMail.com has reached out to Brown's publicist for more information on the ring.The British actress flashed the gold accessory while wearing a summer-friendly baby blue bralette and showed off her long legs in a pair of high-waisted light blue denim shorts.

Riddle of the ring: The Stranger Things actress, 18, and her beau, 20, of one year happily indulged in PDA. The star was also seen flashing a gold diamond ring on her wedding finger Cute: Millie flashed the gold accessory while wearing a summer-friendly baby blue bralette and showed off her long legs in a pair of high-waisted blue shorts She finalized the outfit with a pair of crisp white sneakers, and matched them with a stylish white Louis Vuitton purse slung over her shoulder.She also sported another ring on her pointer finger, as she tenderly placed her hand around her beau's neck, revealing her chic pink and white.