Demi Lovato arrives at the American Idol XIII finale wearing a T by Alexander Wang Classic Jersey Racer-Back Tank ($75.00), the Acne Studios Mock Stud Jacket ($2,169), J Brand Nightfall Eyelet Skinny Jeans ($410.00) and a pair of Giuseppe Zanotti Leather Biker Open Toe Boots ($1,365). You can find a similar tank at J. Crew ($29.50) and similar jeans at H&M ($29.95).