Throughout 2014, Kelly worked with Braun on her debut album in which she had contributions from Toby Gad, Max Martin, and Ed Sheeran. The lead single from the album, "Nobody Love", was released on February 8, 2015. It was written by Rickard Goransson, Max Martin, and Tori Kelly herself. Kelly performed "Nobody Love" at the 2015 Billboard Music Awards. The album, entitled "Unbreakable Smile", was released on June 23, 2015, and debuted at number two on the "Billboard" 200. Kelly performed "Should've Been Us" at the 2015 MTV Video Music Awards. In October 2015, Kelly covered the song "Colors of the Wind" from Pocahontas on the "We Love Disney" album. "Hollow" was released on October 22, 2015 as the first single from the new edition of "Unbreakable Smile". In the same month, Kelly became the brand-ambassador of William Rast, the clothing line co-founded by Justin Timberlake. In late 2015, Kelly received a nomination for Best New Artist at the 58th Grammy Awards. She performed at the ceremony with English singer James Bay. She became the first artist in history to perform a Christian pop song at the Grammy Awards.