Caro Emerald
Caroline Esmeralda van der Leeuw (born 26 April 1981), better known by her stage name Caro Emerald, is a Dutch pop and jazz singer. Active since 2007, she rose to prominence in 2009 with "Back It Up". Follow-up single "A Night Like This" topped charts in the Netherlands. Emerald is often praised for her outstanding live performances. She predominantly performs in English.
Caro Emerald
Her debut album "Deleted Scenes from the Cutting Room Floor" was conceived, written and produced as a studio project by Dutch songwriter/producer/creative director David Schreurs, Canadian songwriter Vincent Degiorgio and Dutch producer Jan van Wieringen, with Caro Emerald as the starring artist. In August 2010, the album spent its 30th week at number one in the Dutch album charts, setting an all-time record and beating Michael Jackson's "Thriller" by one week. The album became the biggest selling album of 2010 in the Netherlands with over 350,000 copies to date. Worldwide, approximately 2 million copies have been sold to date. On 3 October 2010, Emerald was awarded the Dutch music prize "Edison Award" for Best Female Artist. In 2013, a second studio album titled "The Shocking Miss Emerald" was released. The album entered at number one in the Dutch and United Kingdom album charts and sold over 600.000 copies.
Adam Sztaba
He graduated in composition from Fryderyk Chopin Music Academy (now University of Music). He collaborated with many Polish and international stars such as: Caro Emerald, Quincy Jones, Sting, Chris Botti, Michael Bolton, José Carreras, Kenny G, Dolores O'Riordan, Ewa Malas-Godlewska, José Cura, Lemar, NDR Bigband, Ive Mendes, Lutricia McNeal, Dita Von Teese, Terence Blnachard, Helena Vondráčková, Karel Gott, Drupi, Edyta Górniak, Maryla Rodowicz, Kayah, Ania Dąbrowska, Sinfonia Varsovia, Polish Radio Symphony Orchestra, Polish National Radio Symphony Orchestra ([./Https://nospr.org.pl/en NOSPR).] 
Adam Sztaba
He made his debut at age 18 music for the musical "Mirage?". In 2003, together with Tomasz Filipczak, composed the music for the first Polish show dance "Opentaniec". In 2005 he founded the Adam Sztaba Orchestra. He was the musical director, arranger and conductor of many well-known television programs, including "Idol" (Polish edition), SOPOT FESTIVAL 2005 and 2006, (Polish edition of "Strictly Come Dancing"). In 2008 he was director of the Academy of the television program "Star Academy" (Polish edition). Recently he composed and recorded music for the film "From Full To Full". In September 2010 he was music director of the inauguration of the European Special Olympic Games 2010 in Warsaw. In December 2010 he performed with Sting and conducting the Polish Radio Symphony Orchestra in a concert to celebrate the 85th anniversary of Polish Radio. In July 2011 he was a music director of the concert on the occasion of the beginning of Poland's EU Presidency and performed with Chris Botti, Dolores O'Riordan, Michael Bolton and Kenny G. He was a juror in the Polish edition of the TV show "Must Be the Music". In 2016 he was musical director and conductor of the World Youth Day 2016 in Kraków, the musical highlight of which was the concert titled "Credo in Misericordiam Dei" with almost 2 million pilgrims attending.

Question: Adam Sztaba is a Polish composer, music producer, conductor, arranger and pianist, which international star that's a Dutch pop and jazz singer?
Answer: Caroline Esmeralda van der Leeuw