updated 05/02/2014 AT 7:00 PM ET
•originally published 05/03/2014 AT 9:00 PM ET
As weddings go, this was one for the books!
Designer and American Dream Builders host and author Nate Berkus, 42, married his partner, designer and TV personality Jeremiah Brent, 29, Saturday at the New York Public Library, their reps confirm to PEOPLE exclusively.
The pair, who got engaged a year ago in Peru, are the first same-sex couple to hold their wedding at the iconic New York landmark.
The ceremony was officiated by Sheri Salata, President, OWN: Oprah Winfrey Network & Harpo Studios. Berkus wore a J.Crew suit and Brent wore Saint Laurent; the two exchanged identical gold bands from Van Cleef & Arpels.
Parents from both sides and siblings were among the 220 guests, which included longtime friend Oprah Winfrey, Rachael Ray, Katie Lee, Rebecca Minkoff, Irene Neuwirth, Busy Philipps and Elizabeth Hendrickson from The Young and the Restless.
Wedding planner and friend Marcy Blum Associates collaborated with the men to design the evening’s festivities. The invites were done by Elum Designs for Sugar Press. The décor combined their color palette of black, whites and creams and included gold touches, and natural elements like geodes and minerals, mixed in with lush greenery.
The ceremony wall was custom built, and linens from Berkus’s own fabric line blended with his Target collection.
Following the ceremony, there was a rousing performance by the Gospel for Teens/ The Mama Foundation for the Arts, a favorite choir of Berkus’s.
For the reception, the men turned to Nathan Heinrich Design for florals and to Blum to capture their vision. Accomplishing an intimate feel, they mixed long wooden farm tables covered in linens from Berkus’s own fabric collection, available at Calico.
Menus were designed by Swiss Cottage Designs and became a keepsake for guests, who dined on white gem-cut dinnerware sets from Berkus’s new Target tabletop collection, launching this month. Great Performances created and served a menu specifically designed for the couple’s tastes.
Close friend Marjorie Gubelman, aka DJ Mad Marj, deejayed the afterparty, and singer Estelle gave a special performance of American Boy” as well.