Megan and Liz (commonly stylized as Megan & Liz) are an American pop girl duo composed of fraternal twin sisters, Megan and Liz Mace, from Edwardsburg, Michigan. They are both songwriters, and Megan is their guitarist. As of May 17, 2014, they have 1,052,222 subscribers on their YouTube channel.
http://en.wikipedia.org/wiki/Megan_and_Liz