Luke Bryan, Katie Perry and Lionel Richie have made all their cases. Now it’s up to America itself to choose its own Idol. The remaining trio of contestants for American Idol Season 16 (the first season for ABC) rocked the country Sunday night while setting up a tantalizing finale for Monday to see who is crowned the next champion. Votes are in and odds are out, and Gabby Barrett is leading the pack by a wide margin. More