January 16, 2015 1:50 am Watch: Slapjack With Kevin Hart Jimmy Fallon and Kevin Hart compete in a high-stakes game of blackjack where the loser of each round gets smacked in the face with a giant prosthetic hand. Local 0:49 Northern lights put on a show during geomagnetic storm 11:26 Tiffany Haddish wants to take Kelly Clarkson on a girls trip 2:15 Meghan Markle praises Prince Harry in cute moment on Nigeria trip 1:47 Justin Bieber's mom reacts to Hailey Bieber's pregnancy in adorable video 2:17 Taylor Swift Eras Tour changes in Paris: New costumes and ‘TTPD' songs