Christina and Michelle Naughton, twin sisters born on September 2, 1988, in Princeton, New Jersey, formed an American piano duo. They began taking piano lessons from their mother at age four and debuted as a duo at age 18 after initially performing individually. The sisters trained at the Curtis Institute of Music and Juilliard School, earning bachelor's degrees in solo piano performance at Curtis in 2011 and master's degrees from Juilliard in 2013. Their professional career launched in 2010 with debuts at the Kennedy Center and Mann Center for Performing Arts with the Philadelphia Orchestra. They performed with notable orchestras and at prestigious venues worldwide. In 2019, Christina and Michelle became the first piano duo to receive Lincoln Center's Avery Fisher Career Grant. Their debut album Piano Duets was released in 2012 on Orfeo. The duo canceled all present and future engagements without explanation in March 2025.