The queen bee of K-Pop started finding success after uploading countless covers. Her vocals were always exceptional which definitely helped launch her career into the K-Pop scene.

Many fans had no clue that Eric Nam started off on YouTube! His various 'male version' covers of hit K-Pop songs landed him a spot to becoming a K-Pop idol himself!

Red Velvet's Wendy can be seen singing a wonderful cover of Beyonce's "Halo" alongside some of her childhood friends. If it isn't her vocals, her playful personality would have done the trick!

Day6's Jae has the voice of an angel. His band-like style made him the perfect addition to Day6's concept.

G-Friend's Yuju was always into singing whimsical songs as she pulls off this cover of Frozen's "Let It Go" effortlessly.

C-CLOWN's Rome is a man of many talents and dancing was definitely one of them. His suave dance skills matched with his killer looks made him a K-Pop star instantly.

Ashley took some time to kick start her career but in the early process, she filmed a lot of dance covers. I myself am guilty of watching a ton of them and not realizing it was her until this moment. #mindblown

KARD member Big Matthew was doing his own thing for some time on YouTube as he uploaded various audio and covers in order to show off his extraordinary voice.

KASPER the rapper was the baddest female on YouTube first before getting big in the K-Pop scene. Just check out some of her original work - $hit is lit!

Day6 Jae isn't the only one who was pushing the band concept before debut. Young K also showcased his skills on YouTube and soon met with success afterwards.