The Late Night blog has posted video clips from Rashida's appearance on Thursday night. She was awesome!
Edit: Thanks to reader J for sending in links :)
Song: "I Love Stuffing"
Rashida sings an ode to her favorite Thanksgiving food
Song: "Holiday Road"
Rashida, Jimmy and The Roots close out the show with the theme from National Lampoon's Vacation
via LNWJF: We're Very Thankful for Rashida Jones