Kim and North West Rock Matching Blinged Grills

 proved once again that she is the ultimate cool mom.

The reality TV star, 45, took to her Instagram on Monday to share a number of recent snaps, one of which featured her and 12-year-old daughter North West rocking matching diamond grills. 

The mother and daughter duo showed off their sparkling mouth pieces as they grinned at the camera while taking a selfie. 

While the mom-of-four opted to wear her hair slicked back, North modeled her signature blue hair and studded nails. 

'Lately,' Kardashian captioned the post, which also featured snaps of her and ex-husband 's other three children - Psalm, seven, , eight, Saint, ten - and her boyfriend Lewis Hamilton. 

Her pre-teen daughter recently raised eyebrows after unveiling what appeared to be a alongside her collection of finger studs in a series of selfies. 

North's representatives have confirmed the wrist detail was a sticker rather than a piercing, though Kardashian and West's eldest child has already sparked debate with her increasingly bold style choices.

Even with her hair still wrapped in a towel, Kardashian ensured she had one of her beloved Birkins on hand as she boarded her private jet