"Dancing with the Stars" kicks off its Season 14 finals next week - and in a surprising twist, Katherine Jenkins will be among those competing for mirrorball glory. (SPOILER: This story contains the elimination news from Tuesday's "DWTS.") Despite her salsa injury that landed her at the bottom of the leaderboard, Welsh classical singer Katherine and her professional partner, Mark Ballas, made it through to the finals. Instead, coming as a shock to the "DWTS" ballroom, which booed loudly, Maria Menounos and Derek Hough were eliminated. Maria and Derek actually topped the leaderboard the night before, but it was Donald Driver and Peta Murgatroyd who were saved to compete against Katherine and Mark, and William Levy and Cheryl Burke in the finals. "I learned so many things," Maria, who managed to keep a stiff upper lip after learning the news, told "Dancing" co-hosts Tom Bergeron and Brooke Burke. "I learned how str...