Malala gets a shoutout from Lilly Singh.

"Not only is she incredibly smart and brave but her fearlessness is something that shakes me to my core," said Lilly.

It's been around four years since Malala first met Lilly Singh for the YouTuber's Girl Love campaign.

The two reunited recently for Singh's late night show where the Nobel Laureate got her first selfie for Instagram... while talking about MalalaFund and her digital platform, Assembly of course.

After the meeting, Lilly decided to do an adorable four year challenge, sharing a picture of when the two met to now, adding a heartfelt note showing her appreciation for the young activist.

"The glow up is real and I'm not talking about just our looks," writes Lilly.

"Malala has done incredible things via MalalaFund with focus on investing in local education activists, advocating to...