The fourth single; "Really Don't Care" featuring British singer Cher Lloyd, Lovato planned to appear in at least six episodes of the fifth season of Glee, however she only appeared four episodes in the series.She played Dani, a struggling New York-based artist who befriends Rachel Berry (Lea Michele) and Santana Lopez (Naya Rivera) and interacts with fellow newcomer Adam Lambert's character.Five of Lovato's albums have received a gold certification in the United States.Musically, Lovato is considered a pop, Lovato has received a considerable number of accolades, including an MTV Video Music Award, 13 Teen Choice Awards, five People's Choice Awards, an ALMA Award, and a Latin American Music Award.The album's second and final single, "Remember December" failed to match the success of its predecessor, but it peaked at number 80 on the UK Singles Chart.The entertainer made her first 40-city national concert tour, Live in Concert, in support of Here We Go Again.The tour, from June 21 to August 21, 2009, The album and the stylistic change received mixed reviews from critics, who saw a growth in musicianship because of her struggles and have praised Lovato's vocals but found the music more generic than her previous efforts.The record was a commercial success, peaking at number four on the Billboard 200, with sales exceeding 97,000 copies in its first week of release, and going on to sell over 500,000 copies in the United States, being certified Gold.
During the album's production, Lovato commented: "I've already started recording for my new album, and I have plans to record during the tour.
She also returned to acting as a recurring character on Glee.
Lovato's fifth album, Confident (2015), reached number two on the Billboard 200 and garnered her a nomination for the Grammy Award for Best Pop Vocal Album.
That June, she starred as Princess Rosalinda / Rosie Gonzalez in the Disney Channel film, Princess Protection Program.
The film, the fourth highest-rated Disney Channel original movie, premiered to 8.5 million viewers.