Kim Kardashian is officially keeping up with a teenager.  

The Keeping Up With the Kardashians star celebrated daughter North West turning 13 by turning back the clock, highlighting her eldest’s transformation into a full-blown teen.

“Happy Birthday my Northiiiiiieeeeeeeee,” Kim wrote on Instagram June 15 with blue heart emojis. “I can’t believe you are officially a teenager!!!!! There’s no one like you my baby girl! ” 

Among the sweet throwbacks Kim included North showing off her trademark colorful hair and edgy jewelry in the birthday tribute, alongside a video of North enjoying front row concert seats for one of her favorite artists, Lil Uzi Vert.  

“I love being your mom and watching you grow,” the SKIMS founder—also mom to Saint West, 10, Chicago West, 8 and Psalm West, 7, with ex Kanye West—continued. “I love you to the aliens galaxies you would speak of as a kid and beyond.”