Tennis legend and LGBT activist Billie Jean King served as grand marshal of the NYC Pride March.
Some people came to Pride scantily-clad ...
... while others wore elaborate outfits that showcased their identities.
The LGBT community has made large strides since the first Pride parade in 1970, but it is still fighting for rights.
next slide will load in 15 secondsSkip AdSkip AdCynthia Nixon, a Democratic nominee for governor of New York, held hands with her wife Christine Marinoni during the march.
The rainbow pride flag was ubiquitous at the parade.
The transgender pride flag was on display, too.
The theme of this year's festivities was "Defiantly Different."
A couple of New York firefighters got engaged …
next slide will load in 15 secondsSkip AdSkip Ad... and the crowd cheered for the happy couple.
Attendance at past Pride parades in New York has reportedly been more than 2 million.
New Yorkers of all stripes processed down the parade route, which spanned more than two dozen blocks between Chelsea and Greenwich Village.
Participants honored LGBT icons and celebrities. Honorees at this year's parade included activist Victoria Cruz, local rapper Young MA, and Emma Gonzalez, a gun-control advocate and survivor of the Marjory Stoneman Douglas High School shooting.
The parade is a time when LGBT people can feel safe in public expressing themselves.
next slide will load in 15 secondsSkip AdSkip AdNew York's first Pride March took place in 1970 as a response to the Stonewall riots of 1969, during which members of the LGBT community protested a violent police raid at a Greenwich Village gay bar.
The parade route goes right past Stonewall Inn, site of the riots, to honor the bar's legacy in the LGBT rights movement.
On Sunday, New York Governor Andrew Cuomo unveiled a memorial to honor the 49 people killed in the 2016 shooting at Pulse, a gay nightclub in Orlando.
New Yorkers didn't have to be out on the street to enjoy the march.
Not everybody walked down the parade route. Some rode motorcycles down 5th Avenue ...
next slide will load in 15 secondsSkip AdSkip Ad... and others drove in sleek convertibles.
Others danced atop the parade floats.
Many participants carried signs that referenced hot-button political issues, like the so-called 'bathroom laws' which dictate which restrooms transgender people may use.
The growing number of participants forced organizers to change this year's parade route to stay on major roads, which can accommodate more people.
Organizers are expecting next year's Pride March — which coincides with the 50th anniversary of the Stonewall riots — to be the most attended Pride ever.