Cara Delevingne brought new music and a Stevie Nicks story to THE TONIGHT SHOW STARRING Jimmy Fallon, while John Cusack used his own visit to relive a viral moment from the stands at Wrigley Field.

Cara Delevingne "cried" when Stevie Nicks came to see her perform. The 34-year-old star was so overwhelmed when she met the Fleetwood Mac frontwoman after her concert in Los Angeles that she remembers ...