On 8 June 2011, Lee announced that she set up her own studio. On 25 June, her song "Four seas alliance" (四海盟約), the theme song for the 2011 China television drama "All men are brothers" (水滸傳), was broadcast. On 17 December 2011, she performed at "Booey Lehoo Concert" in Beijing with will.i.am and apl.de.ap from The Black Eyed Peas, John Legend and Shunza. On 9 February 2012, she performed at "I AM WILL / I AM ANGEL Benefit Concert" at Hollywood Palladium in Los Angeles with will.i.am, apl.de.ap and Taboo from The Black Eyed Peas.