Justin Timberlake has been goofing around on Jimmy Fallon all week, but things really got ridiculous when Jimmy went shopping for a suit and tie with the help of JT, Steve Carrell and some mannequin arms. There's a princess parody blowing up on the Internet and it's giving us real talk on life after the Disney ending for Ariel, Jasmine and more plus we've got a riotous Fresh Prince sing-a-long with Will Smith, a white knuckle prank from a famous race car driver and Game of Thrones re-envisioned as a high school drama.">