8 Ciara Miller surprised viewers Wednesday, joining Shaboozey for “Cowgirl” on “The Tonight Show Starring Jimmy Fallon.” Ciara Miller made a surprise appearance as Shaboozey’s “wild lil’ cowgirl” on “The Tonight Show Starring Jimmy Fallon” Wednesday, two-stepping onto the saloon-styled stage in head-to-toe black leather. Rosalind O'Connor/NBC via Getty Images8 Miller starred as outlaw Cherie Lee in the “Cowgirl” music video last month. Rosalind O'Connor/NBC via Getty ImagesIn the “Cowgirl” video, out last month, Miller stars as outlaw Cherie Lee — the vengeance-seeking heroine at the center of Shaboozey’s forthcoming concept album. Rosalind O'Connor/NBC via Getty Images8 Costume designer Kiki PedroHall created the custom leather pieces, with Shaboozey’s stylist Anastasia Walker styling the look.