It was his regular stint in ASAP, the number 1 musical variety show in the Philippines that made him a household name in the country. He has held live concerts in the United States, Australia, Singapore, Japan and Thailand. In the movie scene he was seen in the MMFF Best Movie for 2005, Blue Moon, where he was nominated for Best Supporting Actor. Later work From 2007 to 2008 Rosales was in Australia, performing in the revived production of Sir Cameron Mackintosh's musical Miss Saigon, in which he portrays Thuy, alongside Laurie Cadevida. For this role, he was nominated for the 2007 Helpmann Awards Best Supporting Actor in a Musical. During the latter part of the tour, Rosales also understudied and played the role of the Engineer, again earning him rave reviews. After completing the 14-month Miss Saigon tour that wowed audiences in Sydney, Melbourne, Adelaide, Brisbane and Perth, RJ went back to Singapore to stage his comeback solo concert at the Esplanade Theatres on the Bay dubbed as A Musical Journey with RJ Rosales on 29 August 2008. Death Rosales unexpectedly died in Sydney on 4 December 2011. The funeral mass was held at the Blessed John XXIII Parish Church in Stanhope Gardens. Rosales was laid to rest at the Pine Grove Memorial Park in Kingston St., Minchinbury.
It was his regular stint in ASAP, the number 1 musical variety show in the Philippines that made him a household name in the country. He has held live concerts in the United States, Australia, Singapore, Japan and Thailand. In the movie scene he was seen in the MMFF Best Movie for 2005, Blue Moon, where he was nominated for Best Supporting Actor. Later work
 From 2007 to 2008 Rosales was in Australia, performing in the revived production of Sir Cameron Mackintosh's musical Miss Saigon, in which he portrays Thuy, alongside Laurie Cadevida. For this role, he was nominated for the 2007 Helpmann Awards Best Supporting Actor in a Musical. During the latter part of the tour, Rosales also understudied and played the role of the Engineer, again earning him rave reviews. After completing the 14-month Miss Saigon tour that wowed audiences in Sydney, Melbourne, Adelaide, Brisbane and Perth, RJ went back to Singapore to stage his comeback solo concert at the Esplanade Theatres on the Bay dubbed as A Musical Journey with RJ Rosales on 29 August 2008. Death
 Rosales unexpectedly died in Sydney on 4 December 2011. The funeral mass was held at the Blessed John XXIII Parish Church in Stanhope Gardens. Rosales was laid to rest at the Pine Grove Memorial Park in Kingston St., Minchinbury.

