11 Side-By-Sides Of YouTube Singers That Will Make You Feel Very Old

They grow up so fast!

1. Sophia Grace Brownlee

Kevin Mazur / WireImage, Instagram

Then: Sophia Grace and her cousin Rosie went viral with a cover of Nicki Minaj's "Super Bass"...oh, and a little appearance on Ellen. They landed TV roles, red carpet gigs, book deals, and so much more.

Now: Sophia Grace, 15, is still a YouTuber and singer. Just last month she released "Can't Sleep" — a rap single that is a totally new sound for her.

2. Rosie McLelland

Kevin Mazur / WireImage

Then: See above. ;)

Now: Rosie, 12, runs a very active YouTube channel and released a single, "Handstand," last year.

3. Greyson Chance

Steve Granitz / WireImage, Instagram

Then: Greyson had a wildly popular cover of Lady Gaga's "Paparazzi" and then he went on Ellen and the rest was history.

Now: Greyson, 21, has been teasing a new album and North American tour coming this year, so that's exciting!

4. Lennon Stella

Lennon and Maisy, Joe Maher / Getty Images

Then: Lennon and her younger sister Maisy found fame in 2012 with their amazing YouTube covers — like this iconic version of "Call Your Girlfriend" — and then landed roles on Nashville.

Now: Lennon, 19, is a solo artist whose first EP, Love, me, dropped in November. She also featured on the song "Polaroid" with Jonas Blue and Liam Payne.

5. Maisy Stella

Lennon and Maisy Stella, Michael Loccisano / WireImage

Then: See above. ;)

Now: Maisy, 15, is continuing to sing and act. She sang the theme song for the Dreamworks animated series Spirit Riding Free (and had a speaking role in three episodes). She was also a guest judge on Top Chef Jr. in 2017.

6. MattyBRaps

YouTube, Instagram

Then: Starting in 2010, Matthew David Morris (aka MattyBRaps) has posted rap remixes on YouTube. His first-ever cover was "Eenie Meenie" by Justin Bieber when he was 7.

Now: Matty, 15, still raps...and he vlogs, too!

7. Rebecca Black

YouTube, Chelsea Guglielmino / Getty Images

Then: 7a.m. waking up in the morning, gotta get fresh, gotta go downstairs. Seriously, she brought us "Friday" y'all. You've heard it!

Now: Rebecca, 21, still puts out new music and has an active YouTube channel (the very one where she first posted "Friday").

8. Jenna Rose

YouTube

Then: Before there was "Friday," there was "My Jeans" by Jenna Rose. It was about...her jeans. Duh.

Now: Jenna, 20, is in college, but still runs a YouTube channel. In 2017, she even posted a video reacting to "My Jeans."

9. Austin Mahone

Michael Kovac, instagram.com

Then: Austin launched a YouTube channel in 2010, and grew a following posting covers of songs like Justin Bieber's "Mistletoe." He released a stream of successful singles like "11:11," "Mmm Yeah," and "Dirty Work".

Now: Austin, 22, released Dirty Work — The Album in Japan in 2017 and is working on new music.

10. Shawn Mendes

YouTube, Noam Galai / Getty Images

Then: While Shawn really made it big with his 6-second covers on Vine, who could forget his YouTube days? I mean, his star rose SO FAST it's hard to even remember his roots!

Now: Shawn, 20, is a mega-star who released his third album, Shawn Mendes, last year. Oh, and he's nominated for two Grammys!

11. Justin Bieber

Bryan Bedder / Getty Images, Theo Wargo / Getty Images

Then: Couldn't wrap up this post the least-known, least-famous guy who started out on YouTube. What can I say? Usher discovered his sweet, sweet covers and the rest is — truly — history.

Now: You know.