hit since "Nobody's Supposed to Be Here," becoming a top ten hit in Canada, where it was certified platinum by Music Canada, as well as her tenth chart-topper on the Billboard Dance Club Songs. In support of the album, Cox joined forces with American R&B singer Kenny Lattimore for the joint Timeless Promise Tour in July 2009. Also in 2009, she was featured on the single "Leave the World Behind", a house track produced by four DJs Axwell, Steve Angello, Sebastian Ingrosso and Laidback Luke. 2010–2017: The Queen Project, dance music and Broadway In 2010, it was announced that Cox would be joining fellow R&B singers Kelly Price and Tamia to form a supergroup. While the trio recorded several tracks together, their joint album The Queen Project eventually failed to materialize due timing issues and label politics. In 2011, Cox released the dance-heavy single "If It Wasn't for Love" through Deco Entertainment. It became her eleventh chart topper on Billboards Dance Club Songs and was to precede a new studio album which remained unreleased. In September 2012, Cox gave her inaugural performance as the female lead Lucy in a revival of the musical Jekyll & Hyde which toured North America for twenty-five weeks. While the show enjoyed a limited Broadway run only, Cox received positive reviews for her performance. Also in 2012, she collaborated with rapper Akon on the song "No Labels", the official anthem of the same-titled American bipartisan political organization. The following year, Cox collaborated with DJ Paige on the non-album single "Higher". Released through Electronic Kingdom Records, it became her twelfth number-one hit on the US Dance Club Songs chart. In 2014, Cox was one of the performers at the opening ceremonies of WorldPride in Toronto, alongside Melissa Etheridge, Tom Robinson and Steve Grand. In 2015, she provided vocals for the made for television biographical film Whitney, directed by Angela Bassett based on American recording artist Whitney Houston. Cox performed all of Houston's vocals in the film, including "I Will Always Love You", "I'm Your Baby Tonight", and "The Greatest Love of All." The same year, she released the deep house-influenced "Kinda Miss You", as well as the ballad "More Than I Knew" as singles. Both were set to appear on her sixth album Work of Art, initially announced for an August 2015 release through Deco and Primary Wave Music. However, after several delays, the album remained