Which American singer-sonwriter is known for the album supporting tour The 1989 World Tour and the charity single Ronan released in 2012 ?
The 1989 World Tour The 1989 World Tour was the fourth concert tour by American singer-songwriter Taylor Swift, in support of her fifth studio album, "1989" (2014). The tour's European and North American dates, as well as two shows in Japan, were announced in November 2014, followed by the Oceania dates in December 2014. Additional dates for Singapore and Shanghai were announced in June 2015 with a third and final Melbourne show announced in July 2015. The tour began on May 5, 2015, in Tokyo, Japan and concluded on December 12, 2015 in Melbourne, Australia, the day before her 26th birthday. The tour became Swift's highest grossing and most attended tour to date, mobilizing 2,278,647 fans and $250,733,097 revenue. It was the highest grossing tour in the world in 2015.
Glassheart Tour The Glassheart Tour was the second headlining concert tour by British recording artist Leona Lewis. It was launched in support of her third studio album, "Glassheart" (2012). Announced on 8 October 2012, with an initial run of sixteen dates in the United Kingdom, the Glassheart Tour was extended to include five dates in Germany and one in Switzerland. English singer-songwriter Ryan Keen served as the support act. It marks the first time that Lewis has performed material in Europe as part of a headline tour; her previous tour The Labyrinth (2010), only visited the UK.