Leona Lewis has announced a brand-new Las Vegas residency at The Venetian Resort this festive season.The Grammy-nominated star, 40, will headline a series of shows titled A Starry Night at Voltaire from November 1 to January 3, marking her first-ever live performances in the US.The former X Factor winner joins the ranks of Kylie Minogue, Christina Aguilera and Jason Derulo in taking over the glitzy new venue.