Dimitrios Kambouris/Getty Images; Denise Truscello/Getty ImagesBefore Kim Kardashian and Kris Humphries say their I-Dos later today in Montecito, Calif., the couple's famous friends and family hit Twitter to send out several sweet tweets in their honor.
So just what did they have to say about the soon-to-be newlyweds' big day—and which ones confirmed their attendance?
Eva Longoria: "So excited for @kimkardashian wedding tomorrow! Gonna see my sister @lorenridinger now!"
Ryan Seacrest: "On the way to @kimkardashian's wedding...traffic so bad on the 101 I had to stop at cold stone creamery...coffee lovers in my belly...I will quick change in the car...I always keep a suit in trunk!"
Julianne Hough: "....... May not fit in my dress tonight! Uuugh."
Sugar Ray Leonard: "Congrats to @@KimKardashian & @KrisHumphries! I felt so young riding in the Maybach with you guys! We love you and are excited for today. :D"
Khloé Kardashian Odom: "My sisters getting married today!!!"
Kylie Jenner: "OMG! My sister is getting married today too! #excited RT @KhloeKardashian : My sisters getting married today!!!"
Brittny Gastineau: "Only a few hours to go till @KimKardashian gets married!!! So excited for her!!! Ahhhhhh"
Vera Wang: "Just hours to go @KimKardashian! Getting so excited, just wait until everyone sees.....xxVera"
Ciara: "2Day is Princess Kimmies Day! Ow! So excited and happy for her! Will be a beautiful day indeed!"
Kris Jenner: "I want to tell all of my twitterdolls how much I appreciate all of your beautiful well wishes for @KimKardashian wedding! God is so good!!"
Kendall Jenner: "BIG DAY! My sissy is getting married today!!! So happy for you @kimkardashian! Love youuuu"
Brody Jenner: "Getting a nice 10k run in before the long drive up to the wedding!! Congrats @KimKardashian love you"
LaLa Vasquez: "Butterflies in my stomach for @KimKardashian & @Krishumphries...beyond excited for today! the Anthonys are on our way! Love is in the Air!"
Kaela Humphries: "I am so excited to have a new addition ( @KimKardashian) to Team Hump today! Today is going to be a blast!!"
Mel B: "getting my 'hair did' for my friends big wedding today,can't wait,i no i'm gonna cry fro happiness for her,yippee!!"
Jonathan Cheban: "15 min nap...then almost time to get ready for my best freinds wedding! So happy for her!!!"
(Originally published Aug. 20, 2011, at 1:02 p.m. PT)