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Her second studio album, "Echo" was released in November 2009, spawning two singles. Lead single "Happy" reached the top five in various countries in Europe, and "I Got You" was a released as the second single. She recorded the theme song, "I See You", for the 2009 film "Avatar", then in 2010 featured on the soundtracks of "Sex and the City 2" and "For Colored Girls". In November 2010 Lewis released a video album of her tour The Labyrinth, entitled "The Labyrinth Tour Live from The O2". Lewis's third album, "Glassheart", was released in October 2012. "Collide" was planned as the lead single for the album, but did not make the final track listing; "Trouble" was released as the lead single instead, and "Lovebird" was released subsequently.