2009, Nakamori held another special live tour, titled Akina Nakamori Special Live 2009 "Empress at Yokohama". The live tour consisted of cover tracks which she released through her various cover albums. DVD footage of the live tour was released on 18 August 2010. As of 2019, it is her last tour. On 26 August 2009, Nakamori released her twenty-third studio album, Diva. It was her first studio album in three years since Destination. The album had ten newly recorded songs. In this album, she collaborated with various producers from overseas such as Rodney Alejandro, Matt Tishler, and Jeniffer Karr. One of the album tracks was written by Nakamori under her pseudonym Miran:Miran. The album was released in regular and limited editions: the limited edition included a bonus disc with remixes of the tracks Diva and Heartache. The album debuted at number 29 on the Oricon Weekly Album Charts and charted for three weeks. On 23 September 2009, Nakamori released a special single titled "Diva Single Version" with a new intro arrangement with two B-side tracks, the original version of Heartache, which was previously released only as a single and a re-recorded album track, I hope so, from the album of the same name. The single debuted at number 50 on the Oricon Weekly Single Charts. On 13 July 2010, Nakamori wrote and released a digital single, "Crazy Love". The single was released via the streaming services Chaku-Uta and Recochoku. It was used as background music for pachinko slot parlors. For players who won the full combination of points, a short music video clip of Crazy Love was shown. On 28 October 2010, Nakamori's staff announced her indefinite hiatus from music activities due to fatigue and health problems. On 22 December 2010, a 6-DVD set box Nakamori Akina in Hit Studio and on 15 December 2011, a 5-DVD set box The Best Ten Nakamori Akina Premium Box were released. 2014–2017 On 4 August 2014, Universal Music released two best albums on the same day: All Time Best: Original and All Time Best: Utahime Cover. All Time Best: Original consisted of Nakamori's biggest hits from between 1982 and 2009, her previously released digital single, and a new song Sweet Rain. The All Time Best: Original album was released in regular and limited editions; the limited edition included live footage from Akina Nakamori 2000: 21 Seiki he. The album debuted at number 3