In the season 10 premiere of the TLC show, Danielle and Adam Busby admitted that things are "so much more challenging" as the girls get older Danielle and Adam Busby and their quintuplets Riley ...

To mark the milestone, mom Danielle Busby shared a photo of the sisters beaming in T-shirts stamped with the number 10 in different colors. “I can N.O.T believe my quintuplets are 10.

The Busbys' rare all-girl quintuplets, who are now 9 years old, had split up: two at a sleepover and three upstairs. The Busby's oldest daughter Blayke, 13, was still asleep.

Now that the Busby quints are 5 years old, they’re becoming easier to tell apart in both looks and personality. And Riley has long been known as the “boss baby” of the group.

And Parker Busby gets a lot of attention, as she’s the shyest of the bunch and appears to have anxiety. Adam posted a video that shows she may be getting used to the cameras, however.

In PEOPLE's exclusive sneak peek at the season 9 finale of TLC's 'OutDaughtered', the Busby quintuplets dress up as 100-year-old 'grandmas' ...

The quints are always up to something! In this sneak peek at “OutDaughtered,” Danielle Busby gets worried as the quintuplets get into a hot chocolate bar ahead of time before her fashion show ...

It’s no ordinary babysitting task. There are six Busby kids to look after: Blayke, 12, and quintuplets Olivia, Hazel, Riley, Parker and Ava (who were 7 at the time of filming, now 8).

HOUSTON – Two adorable babies were introduced Friday as part of the Busby quintuplets – the first surviving all-girl quintuplets to be born in the U.S. Their story is incredible on so many ...