In 2005, Sony BMG released her second English album, "Exposed". The album was banned in Mainland China for sexy lyrics in a few songs such as "Touch" or "So good". Lee's next Mandarin album, "Just Want You" (要定你) was released on 22 September 2006. In 2008, Lee was chosen to sing one of the Olympic songs, "Forever Friends", opposite Sun Nan. She changed her record company to work with "Warner Music Group" (Taiwan) from "Music Nation". On 14 August, she released her new Mandarin album "East to west" (CoCo的東西) with Warner Music Group. It contains the songs "Party time", "Turn" (流轉) which is the soundtrack of the movie "The Legend of Silkboy" (世博总动员-湖丝仔) for the Shanghai World Expo 2010 and "BYOB" ("Bring Your Own Bag") a song to encourage people to bring and recycle their own shopping bags to save the environment. She recorded the song "Smile Shanghai" (微笑上海) with other artists including JJ Lin, Andy Lau, Jam Hsiao or Jane Zhang for Shanghai World Expo 2010. On 27 March 2010, Lee began her "East2West" World Tour Concert in Taipei at "Taipei Arena". She performed at the "Encore Theatre" in Wynn Casino in Las Vegas on 3 and 4 July, then in "Singapore Indoor Stadium" in Singapore on 2 October and in Nanning on 16 December. In March 2011, Lee was one of many artists participating in the recording of "Artists 311 Love Beyond Borders" (愛心無國界311燭光晚會) official theme song called "Succumb not to sorrow" (不要輸給心痛) in Cantonese version. On 7 April 2011, her song "Dreams on oriental seas" (梦在东方的海上) featuring Sun Nan was broadcast. It was named as the theme for the 14th FINA world championships, that took place in Shanghai on 16 July 2011.