08/20/2011 01:10 pm ET Updated Oct 20, 2011

Kim Kardashian & Kris Humphries' Wedding: The Big Day Is Here

According to E! Online, guests will be shuttled to the private Montecito estate where Kim and Kris will say 'I do.' The ceremony will begin at 6 p.m. California time. Guests will arrive to a sea of security before they enter the venue.

The dress is fitted, the guest list is set, now all that is left for Kim Kardashian and Kris Humphries is to take the plunge and become man and wife.

By this time tomorrow Kim will officially be Mrs. Kris Humphries. The pair will walk down the aisle in a few short hours and the questions of what she'll wear, who was there and what was said will all be answered.

The 30-year-old star will marry her 26-year-old beau in an evening ceremony at the Sotto Il Monte estate in Montecito, California later today. She too can't contain her excitement, sharing on her blog early Saturday, "I can’t believe it’s finally here!" .

Despite all of the hype and attention surrounding these very expensive nuptials, Kim says she has remained calm in these last few days as a single lady, saying, "Everyone says you'll freak out, but I'm totally calm."

The reality star dished to Ryan Seacrest's on his KIIS-FM radio show Friday, that she'll be Mrs. Humphries at home, but always be Kim Kardashian "on the street." Kim also hinted there may be more than one outfit change for her on her special day and certainly no shortage of surprises for her guests.

Kim's pal, Nicole Richie, had a little something to do with her dress choice. Richie came to Kim with a vision for her big day look, Kim dished to Seacrest, telling her that the Vera Wang gown she will walk down the aisle in needs to be "timeless" and " really old Hollywood," which is exactly what we can expect to see when the dress is revealed.

Kim's mom, Kris Jenner, sent a special message to her daughter for the big day, sharing a childhood memory of her "princess angel" and offering well wishes. "I am so very proud of you and I am so happy you have found such happiness!"

Kim and Kris have had a whirlwind romance over the last eight months, though not as quick as baby sister Khloe. Rumors first sparked that Kim and Kris were a pair in December of 2010 and it wasn't long before Kim was tweeting childhood photos of her sweetheart, hinting that she'd like to have kids that look just like him! A few months later Kris popped the question, presented Kim with a $2 million engagement ring and the rest is history.

"Kim's Fairytale Wedding: A Kardashian Event," will air Oct. 9 and 10, only on E! News.