lavish lifestyles." The eleventh track "We Know" is a stripped-down song in comparison to the rest of the album and begins with Kordei singing the first verse followed by Camila Cabello. Jauregui performs the pre-chorus accompanied by a simple piano melody, member Dinah Jane then sings the hook with the second verse sung by Ally Brooke. Garvey of Pitchfork praised the vocal's division in the song writing that it "serves as the album's most impressive showcase of each member's solo talents." The song contains an interpolation of DeBarge's "A Dream". On the first bonus track included on the album's deluxe version, "Going Nowhere" is an EDM number. During the song, the group sings and a synth riff and synthesized handclaps are featured. "Body Rock" contains an interpolation from "(I've Had) The Time of My Life" performed by Bill Medley and Jennifer Warnes. The song has one of the faster tempos on the album. It features a synthesized melody and sirens. The deluxe edition concludes with "Brave, Honest, Beautiful" featuring Meghan Trainor. The chorus praises several female singers such as Beyonce, Shakira, Rihanna and Madonna. The lyrics are complemented by a moderate dance beat. Lyrically, it express a message of female empowerment and positive body image. Singles "Boss" was released as the album's lead single on July 7, 2014, with the music video released a day later on Vevo. The song debuted at number 43 on the Billboard Hot 100, with first-week sales of 75,000 copies, number 37 on the Mainstream Top 40 chart and number 75 on the Canadian Hot 100. It reached the top 40 in countries such as Spain and the United Kingdom. It was certified platinum in the United States. The song's accompanying music video, choreographed and directed by Fatima Robinson, was released on the band's Vevo page showed the group performing with chairs, interacting at a photo shoot, and in an arm wrestling contest. The album's second single, "Sledgehammer" was released on October 28, 2014. Its music video was released on November 25, 2014, on Vevo. "Sledgehammer" debuted on the Mainstream Top 40 chart at number 28, and peaked at number 21 on December 25, 2014, becoming the group's highest position on the chart, surpassing their first single "Miss Movin' On". The song went on to spend three non-consecutive weeks at its peak position. On December 4, 2014, the song debuted at number 93 on the