At the event, transgender activist Candis Cayne dedicated her performance of the song “I’m Every Woman” to Jenner, who made headlines in April for identifying publicly as a transgender woman in an interview with ABC's Diane Sawyer. Jenner, 65, was followed around by a film crew.
A TV series documenting Jenner's new life will premier on E! on July 26.
The event followed Friday's landmark decision by the Supreme Court requiring states to license and recognize same-sex marriages.
The most recent NBC News online survey conducted by SurveyMonkey shows that while a majority of Americans acknowledge that transgender people face substantial prejudice in the U.S., Jenner's public transition will help society become more accepting of transgender people.
"To be able to wake up in the morning, be yourself, get dressed, get ready to go out, and just be like a normal person—that's a wonderful feeling to go through life,” Jenner told Buzz Bissinger for Vanity Fair.
Jenner rose to fame for winning the gold medal in the decathlon at the 1976 Summer Olympics. Then known as Bruce, Jenner became known to a younger generation as the patriarch of the media-friendly Kardashian clan on E!’s “Keeping Up with the Kardashians” reality television series. The parent of six children – Burt, Casey, Brandon, Brody, Kendall and Kylie – Jenner became stepparent to Kourtney, Kim, Khloe and Robert Kardashian upon marrying their mother Kris, from whom Jenner is now divorced.