So, this hasn't been posted yet, I believe
Hikki will be releasing a cover album called 宇多田ヒカルのうた or Hikaru Utada's song in English. It'll be released December 9th.
Link to news section of Hikki's website:
http://www.utadahikaru.jp/news/
Special page for the album:
http://www.utadahikaru.jp/15th/index_pc.html
Pre-order link for CDJapan:
http://www.cdjapan.co.jp/product/TYCT-60055