by Music-News.com Newsdesk Pop star Ricky Martin is extending his Las Vegas residency and using the extra shows to benefit the survivors of Hurricane Maria in his native Puerto Rico. The Livin' La Vida Loca hitmaker has added 12 concerts to his All In at Park Theater show at the Monte Carlo Resort and Casino beginning on 15 March and running until 3 June (18). Martin will donate $1 (£0.75)