Jack Gilinsky (age 18) and Jack Johnson (age 19) originally earned their fame through Vine. Calling themselves Jack&Jack while breaking the internet with their hilarious 6-second videos — The duo started focusing on their music in 2014, releasing their first ever single in January and peaking at number 7 on iTunes. As of February 2015, they have 11 self-released songs, including collaborations with Shawn Mendes, Steve Aoki and Emblem 3. They're currently working on their new music with Max Martin ("Baby One More Time"/"Blank Space") and Savan Kotecha ("Bang Bang"/"What Makes You Beautiful").

Their new EP Calibraska just came out earlier this month, and they have just released a brand new video for their new single "California". Check it out!