By Amber Ray
May 04, 2014 at 06:29 PM EDT

Designers Nate Berkus and Jeremiah Brent were married Saturday at the New York Public Library, People reports. They became the first same-sex couple to wed at the NYC landmark.

The ceremony was officiated by Sheri Salata, the president of OWN and Harpo Studios. Among the 220 guests in attendance were famous friends Oprah Winfrey, Rachael Ray, Katie Lee, Rebecca Minkoff, Irene Neuwirth, Busy Philipps, and Elizabeth Hendrickson.

Estelle gave a special performance of “American Boy” at the reception, and Marjorie Gubelman, aka DJ Mad Marj, provided the music.

Berkus, 42, and Brent, 29, got engaged a year ago in Peru.