Question: What is the nationality of the singer and actress whose eighth concert tour consisted of over 30 concerts in Europe?
Context: The Música + Alma + Sexo World Tour (also known as the M.A.S. Tour) was the eighth concert tour by Puerto Rican singer-songwriter Ricky Martin.  The tour supported his ninth studio album, "Música + Alma + Sexo" (2011).  It began with a series of concerts in Puerto Rico and North America, with international dates later in the year.  The tour was his first in four years, the previous being the 2007 Black and White Tour.  On the Pollstar Top 50 Worldwide Tours of the first half of 2011, Ricky Martin ranked at number 42.  His tour grossed $17.7, with 37 shows and 246,141 total tickets.  After visiting 28 countries throughout North America, Europe and Latin America, Ricky Martin formally ended his tour on November 12, 2011 in his homeland, Puerto Rico, at the Coliseo de Puerto Rico José Miguel Agrelot.  The tour closed on November 19, 2011 in Santo Domingo. The This Is Us Tour was the eighth concert tour by American boy band, the Backstreet Boys.  The tour promotes their seventh studio album, "This Is Us".  The tour reached Europe, Asia, Australasia and the Americas.  The tour was the second concert tour the band had performed as a quartet. The El Camino Ocho Tour was a concert tour through North America and Europe, undertaken by American rock band ZZ Top.  The tour's concerts were performed in casinos and fairs from May through November 2008.  Band members Billy Gibbons and Dusty Hill dressed in black biker jackets, along with baseball caps and boots.  The El Camino Ocho Tour consisted of four legs and 81 shows.  Some of the tour was depicted in the concert film "Double Down Live". The Original Sinsuality Tour is the eighth concert tour by American singer-songwriter Tori Amos, undertaken during the summer of 2005 in support of her album "The Beekeeper".  The tour featured Amos playing solo concerts in Europe, North-America and Australia.  The complete recordings of six concerts have since been released as "The Original Bootlegs".  The tour was noted for prominently featuring cover versions of other artists' songs.  Amos would play new covers at every concert, most of them suggested by fans. The All the Roadrunning Tour was a 2006 concert tour by British singer-songwriter and guitarist Mark Knopfler and American singer-songwriter Emmylou Harris, promoting the release of their album "All the Roadrunning".  The tour consisted of two legs: Europe and North America.  The tour started on 26 May 2006 in Brussels, Belgium, and included 23 concerts in 23 cities, ending in Berkeley, California, on 30 June 2006. The Let's Talk About Love World Tour is the eighth concert tour by Canadian recording artist Celine Dion.  Visiting North America, Asia and Europe; the trek supported Dion's fifth English studio album "Let's Talk About Love" and her eleventh French studio album, "S'il suffisait d'aimer".  Initially planned for 1998, the success of the tour continued into 1999.  In 1998, the tour earned nearly $30 million from its concerts in North America alone.  It was also nominated for "Major Tour of the Year" and "Most Creative Stage Production" at the Pollstar Industry Awards.  Overall, the tour grossed about $52.4 million from 54 reported shows. The Get Lucky Tour was a 2010 concert tour by British singer-songwriter and guitarist Mark Knopfler, promoting the release of his album "Get Lucky".  The tour consisted of two legs: North America and Europe.  The North American leg started on 8 April 2010 in Seattle, Washington, and included 28 concerts in 27 cities, ending on 9 May 2010 in Albany, New York.  The European leg started on 9 September 2010 in London, and included 59 concerts in 51 cities, ending on 31 July 2010 in Ávila, Spain.  The tour included a six-night run at the Royal Albert Hall in London. Romances Tour was a concert tour performed by Luis Miguel during the years 1997 and 1998 to promote his new album Romances.  On this tour, Luis Miguel perform his last back-catalogue and also his last pop songs.  This was the longest tour of the artist until Mexico En La Piel Tour, with 17 consecutive sold-out concerts in the National Auditorium, and 5 times in the Radio City Music Hall from New York, with sold-out concerts, to put a new record.  Also he toured for first time Spain.  Pollstar mentioned this tour as one of the Top 20 All-Time Grossing, and one of the 20 artists that most tickets have sold in one same scenario in the history of the music.  The tour consisted of 84 concerts and was attended by approximately 1 million fans. Showgirl: The Greatest Hits Tour was the eighth concert tour by Australian singer Kylie Minogue.  The tour was launched in support of her ninth greatest hits compilation, "Ultimate Kylie".  Beginning March 2005, over 30 concerts were performed in Europe. Kylie Ann Minogue, ( ; born 28 May 1968), often known simply as Kylie, is an Australian singer, songwriter, dancer and actress.  She achieved recognition starring in the Australian soap opera "Neighbours", where she played tomboy mechanic Charlene Robinson.  Appearing in the series for two years, Minogue's character married Scott Robinson (Jason Donovan) in an episode viewed by nearly 20 million people in the United Kingdom making it one of the most watched Australian TV episodes ever.  Since then, Minogue has been a recording artist and has achieved commercial success and critical acclaim in the entertainment industry.  Minogue has been recognised with several honorific nicknames including "Princess of Pop" and "Goddess of Pop".  She is recognised as the highest-selling Australian artist of all time by the Australian Recording Industry Association (ARIA).
Answer: Australian