Mackenzie Johnson
YouTube Star
YouTube singer and musician best known for posting covers of popular songs by artists like Ed Sheeran and Tori Kelly.
She created her YouTube channel in October 2010 but didn't post her first video, a cover of "I Will Follow You Into the Dark," until July 2011.
One of her most popular videos, a cover of Taylor Swift's "Blank Space," earned more than 1 million views after being posted in November 2014.
She is from Philadelphia, Pennsylvania and raised with a sister.
She performed "A Little More" with Eric Hutchinson in Central Park in August 2014.