Today’s unveiling of the West Side’s $25 billion project Hudson Yards had all the makings of a big Gotham event. It was attended by celebrities, dignitaries, politicians, lots of press, real estate movers and shakers, and big personalities. Even Big Bird from “Sesame Street” showed up.

Under overcast skies, the ceremony outside was held under the enormous Vessel sculpture, and kicked off with singer Andra Day performing “Manhattan.” She was followed on stage by CNN broadcast journalist Anderson Cooper, who welcomed speakers such as Related Companies Chairman Stephen Ross, Oxford Properties Chairman Blake Hutcheson, Senate Minority Leader Chuck Schumer, and sculptor Thomas Heatherwick, who designed the fabulous Vessel staircase, which is an incredible object of scale and magnitude — whether you like it or not.

Here’s a quick glimpse of what went down on the West Side today.

Walking Down West 33rd Street Toward Hudson Yards

There’s lots of construction activity all around and leading up to Hudson Yards.

30 Hudson Yards and the Observation Deck

The observation deck on the 100th floor of 30 Hudson Yards is in full view.

Observation Deck’s See-Through Floor

The observation deck won’t be open until 2020 (reservations are being taken now), but one of its unique features is the windowed floor.

Shops & Restaurants at Hudson Yards

The enormous Shops & Restaurants building runs along 10th Avenue between West 30th and 33rd streets.

Meet Brand Ambassador Sean Marshall

The dapper Sean Marshall is the Hudson Yards’ brand ambassador. He was out in force, shaking hands near 10 Hudson Yards.

Entry to the Eastern Yard Along 11th

Up the steps from 11th Avenue, you can access Hudson Yards’ Public Square and Gardens, including the Vessel.

Neiman Marcus Is the Anchor Tenant for The Shops

More than 100 shops will be anchored by Neiman’s presence on the fifth, sixth and seventh floors of the Shops at Hudson Yards.

Behold, The Vessel

From West 30th Street, the Vessel emerges from behind The Shed.

The Vessel in Full View

Some call it a pineapple, or wine glass, or upside-down Christmas tree. Whatever you call it, it is big — 150 feet high.

Coming Next to Hudson Yards: The Western Yard

The Western Rail Yard, where trains for the LIRR deploy, will soon be covered up when phase two of Hudson Yards begins.

Hors d’Oeuvres Anyone?

What’s an early morning celebration without a hostess serving scones to the crowd?

Andra Day Sings ‘Manhattan’ (But of Course)

The singer began the ceremony with a soothing rendition of the Rodgers and Hart classic “Manhattan.”

Anderson Cooper Was the Host of the Day

CNN broadcast anchor Anderson Cooper welcomed the crowd and saluted Related Companies chairman Stephen Ross (seen on the big screen).

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Jobs, Jobs, Jobs!

Senate Minority Leader Chuck Schumer’s speech focused on how developments like Hudson Yards lead to jobs and stability in NYC.

Is That Martha Stewart?

When the camera flashed the crowd for celebs, you couldn’t help but notice the maven of style and cooking, Martha Stewart.

The Man Himself, Stephen Ross

The force behind Hudson Yards is Related Chairman Stephen Ross.

The Vessel’s Thomas Heatherwick

The Brit and Vessel creator gave a heartfelt speech citing his honor as a Londoner in getting to design something so important to NYC.

What’s a Show Without Big Bird?

Sesame Street’s Big Bird was a big presence on stage. He even threw praise to Thomas Heatherwick for his striking yellow scarf.

The Big Finish: The Alvin Ailey Dancers

The National Chorale sang from the Vessel while an Alvin Ailey dance group performed onstage.

From the High Line: The Shed

The fabulously popular High Line will now tie into the Eastern Yard of Hudson Yards.

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