Jennifer Lopez flashed a massive diamond ring while leaving her lavish new $21 million mansion in Hidden Hills on Saturday.

The Love Don’t Cost a Thing hitmaker, 55, was pictured in the passenger seat of her Cadillac Escalade after visiting her new home.

The superstar sported a cozy white sweater with a floral design, and a stunning diamond sparkler on the ring finger of her right hand, after finalizing her divorce from Ben Affleck, 52.

Jennifer López y Ben Affleck: no todo está perdido, ambos siguen usando sus anillos de matrimonio | Univision Famosos | Univision

The mom-of-two accessorized with her signature hoop earrings and wore her brunette tresses down.

She also took to her Instagram on Saturday to celebrate the 17th birthday of her twins, Emme and Max, whom she shares with her third ex-husband Marc Anthony, 56.

‘Seventeen. I love you beyond forever,’ the doting mom wrote underneath a video montage of her children, adding two coconut emojis, in a nod to the nickname she calls them.

Among the photos and clips in the montage were some snaps from the twins’ celebration on Saturday.

Lopez was pictured standing with her arms around her kids in front of a lavish blue game show style birthday cake, which had Max’s name on it.

Jennifer Lopez, 55, flashed a massive diamond ring while leaving her lavish new $21 million mansion in Hidden Hills on Saturday, after recently finalizing her divorce from Ben Affleck, 52

In another snap she was seen hugging Emme in front of a more simple white cake, topped with strawberries and gold candles that spelled out ‘happy birthday.’

The hitmaker had her sweater tucked into a pair of light blue jeans as she celebrated with Max and Emme.

The clip started out with a black and white photo of the star and her newborns. It then transitioned to a clip of Lopez and her kids on a tire swing.

Another image showed a younger Emme twirling around in a white tutu. One more recent snap of the twins saw them holding red Lego roses.

There was also a snap that showed the Hustlers star cuddled up to Max as he enjoyed some snacks from a charcuterie board.

Another saw Emme rocking a violet skirt. Max was also seen playing with a puppy in yet another cute photograph.