Justice Crew is an Australian pop music group consisting of members Lukas Bellesini, Paul Merciadez, John Pearce, Samson Smith and (DJ) Solo Tohi. Although the group is Australian, members Samson and Solo are from New Zealand. The group formed in 2009 originally as a dance troupe and rose to fame the following year, as winners of the fourth season of Australia's Got Talent. Justice Crew subsequently signed a record deal with Sony Music Australia and became recording artists. 　　Justice Crew's first three singles—"And Then We Dance", "Friday to Sunday" and "Dance with Me"—achieved moderate success on the ARIA Singles Chart. The group earned their first number-one single with "Boom Boom", which was certified six times platinum by the Australian Recording Industry Association. Subsequent singles "Best Night" and "Everybody" were top-ten hits, and "Que Sera" became their second number-one single. Since becoming recording artists, Justice Crew have been nominated for eight ARIA Music Awards and toured with international artists Chris Brown, Janet Jackson, One Direction, Kesha and Pitbull. 　　From January to February 2012, Justice Crew embarked on their Sexy and You Know It Live Tour across Australia.In April 2012, Justice Crew and Johnny Ruffo were the supporting acts for One Direction's Australian leg of their Up All Night Tour.The group's fifth single "Boom Boom", released on 2 July 2012,became their first number-one single on the ARIA Charts and was certified six times platinum for sales of 420,000 copies.On 1 October 2012, it was announced that Justice Crew had signed to Pitbull's record label Mr. 305 Inc., a joint venture with RCA Records, to release "Boom Boom" in the United States.The group's seventh single "Best Night", released on 30 November 2012,peaked at number seven on the ARIA Singles Chart and was certified double platinum.Their next single "Everybody", released on 11 October 2013,peaked at number six and was certified double platinum.