"We want everybody to have fun, let their guard down," Young told Us.
The pair made sure that their special day will have lots of personal elements to it as well -- including their first song, which they co-wrote together eight months ago, appropriately-titled "I Do." "We wrote ' I Do,' and the first listen all the way through, we’re both looking at the monitor screen, sobbing," Young recalled to Us.
"Right when we’re done, we look at each other and Diana goes, ' I think this one is…' and I said, ' I know.' It was done." PHOTOS: Idol makeovers The pair, who also wrote their own vows for the ceremony, told Us of other little details they did to make their big day memorable -- custom-made suits for the groomsmen, white cowboy boots for the bridesmaids, and not one, but two five-tier cakes from The Butter End in Santa Monica, Calif. Vanilla and Aunt Edie's Banana Chocolate Chip.
As for the bride, De Garmo wore blue cowboy boots and a diamond-white Sareh Nouri designed dress.
And even though it was a star-studded ceremony for the singers, it was all about romance, love, and maybe a little music!
Diana wore a Sareh Nouri gown with a beaded belt, custom veil, and blue cowboy boots to add a little personal style.
He had a trial at Real Madrid in 2005 but decided to continue his development with Santos.
.' American Idol' Finale: Follow Our Live Blog The couple, who married in 2013, were part of a country medley with other former contestants, including Bucky Covington, Scotty Mc Creery and Kree Harrison.
Young was a finalist on season five, De Garmo was the runner-up on season three.
The good-looking duo exchanged vows in front of about 250 guests at the Luxe Sunset Boulevard Hotel in El Lay.
But they weren't the only there because Elliot Yamin, Michael Johns and Kevin Covais all showed up to celebrate the happy day.