Late Night Television was #SpiritDay Purple on Friday

Late night television was filled with purple last Friday when several hosts and guests participated in Spirit Day.

On Jimmy Kimmel Live! (ABC), Argo director Ben Affleck and The X Factor judge Demi Lovato both wore purple.

On The Late Late Show with Craig Ferguson (CBS), host Craig Ferguson wore a purple tie and handkerchief.

Earlier in the evening, Spirit Day ambassador and co-host of Extra Maria Menounos invited fellow ambassador Shay Mitchell to talk about bullying.  They were joined by Shay's Pretty Little Liars co-star Troian Bellisario.  All three women wore purple for the occasion.

Other participants included the White House, the iconic 'Welcome to Fabulous Las Vegas' sign and the Vegas Strip, hosts of Good Morning America, the cast of Degrassi, Facebook, Twitter and more. Check out a full #SpiritDay recap here.