Inside Kim Kardashian and Kanye West's Wedding 'Roller Coaster'

05/28/2014 at 08:00 AM EDT

For guests attending the wedding of Kim Kardashian and Kanye West, the week-long extravaganza was a high-speed ride.

'It was a roller coaster, but in the best way,' a guest tells PEOPLE in this week's cover story. 'It was a crazy, nonstop, incredible dream.'

But there was at least one quiet moment during the ceremony at Forte di Belvedere in Florence, Italy, on May 24: When the couple recited their self-penned vows, which featured 'a little bit of humor and a whole lot of love,' says an attendee.

The groom 'told me he had practiced them in front of a mirror several times to commit them to memory,' says the attendee. 'He didn't make any mistakes.'

And the couple's 11-month-old daughter, North, made sure to capture the spotlight. Carried down the aisle by grandma Kris Jenner, says another source, 'She clapped the whole way down.'

* Reporting by JENNIFER GARCIA and STEVE HELLING

For much more on Kim and Kanye's wedding - including exclusive photos and details about her dress, the guest list, the bridal party and more - pick up this week's issue of PEOPLE, on newsstands Friday

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All About Kim & Kanye's Lavish Wedding