Robert De Niro, 75, and Tiffany Chen, 45, pose at Tribeca Film Festival opening after baby bombshell

Robert De Niro, 75, and his girlfriend Tiffany Chen, 45, hit the red carpet on Wednesday — a month after shocking the world with the news that they’ve had a baby.

They led a formidable array of stars at the opening night of this year’s Tribeca Film Festival, which Robert helped find in the aftermath of the 9/11 attacks.

The couple welcomed a daughter named Gia on April 6, but were only able to announce her arrival early last month.

Now a father of seven — with children ranging in age from 51 years to two months — Robert posed holding hands with Tiffany at Wednesday’s party.

She modeled an elegant black cocktail dress for the occasion, while Robert matched her in a loose-fitting suit worn over a loose-fitting polo shirt.

On the town: Robert De Niro, 75, and his girlfriend Tiffany Chen, 45, hit the red carpet on Wednesday — a month after shocking the world with the news that they had a baby

History: They led a formidable array of stars at the opening night of this year's Tribeca Film Festival, which helped find Robert in the aftermath of the 9/11 attacks

History: They led a formidable array of stars at the opening night of this year’s Tribeca Film Festival, which helped find Robert in the aftermath of the 9/11 attacks

Family: The couple welcomed a daughter named Gia on April 6, but only announced her arrival early last month

On the town: Now a father of seven — with kids ranging in age from 51 years to two months — Robert posed hand-in-hand with Tiffany at Wednesday's party

Family: The couple welcomed a daughter named Gia on April 6, but only announced her arrival early last month

The look: She modeled an elegant black cocktail dress for the occasion, while Robert matched her in a loose-fitting suit worn over a loose-fitting polo shirt

The look: She modeled an elegant black cocktail dress for the occasion, while Robert matched her in a loose-fitting suit worn over a loose-fitting polo shirt

Robert found time to mingle on the red carpet with his Tribeca Film Festival co-founder Jane Rosenthal, as well as sizzling movie heartthrob Matt Damon.

Matt was the smoldering sensation every inch as he swung by the party in a charcoal suit worn over a form-fitting black T-shirt that emphasized his toned torso.

Jennifer Esposito bared her sculpted midriff in a crop top, while Stephanie Linus slipped into a form-fitting black dress with pink floral accents.

Stars galore made their presence felt at the shindig, including Zazie Beetz, whose flesh-flashing scarf top and sheer wrap skirt were sure to make a fashion splash.

Kate Siegel emphasized her slender waist in a sleek pencil skirt, while Noah Centineo donned a top that fell seductively over his chest.

Brendan Fraser, months away from his Oscar win for his critically acclaimed comeback film The Whale, exuded New York chic in head-to-toe black.

Piper Perabo went for a muted ensemble in a gray-to-black color flow, while Mark Ruffalo exuded silver fox magnetism at the reception.

Dianna Agron put a sassy twist on corporate chic by subtly slipping on a pencil top under her loose-fitting pantsuit.

Top buyer: Robert found time to mingle on the red carpet with his Tribeca Film Festival co-founder Jane Rosenthal, as well as sizzling movie heartthrob Matt Damon

Top buyer: Robert found time to mingle on the red carpet with his Tribeca Film Festival co-founder Jane Rosenthal, as well as sizzling movie heartthrob Matt Damon

Hunk-tastic: Matt was the smoldering sensation every inch as he swung past the party in a charcoal suit worn over a tight black tee that emphasized his toned torso

Hunk-tastic: Matt was the smoldering sensation every inch as he swung past the party in a charcoal suit worn over a tight black tee that emphasized his toned torso

Bombshell Parade: Jennifer Esposito bared her sculpted midriff in a crop top

Sensation: Stephanie Linus slipped into a form-fitting black dress sprinkled with pink floral accents

Bombshell parade: Jennifer Esposito (left) bared her chiseled midriff in a crop top, while Stephanie Linus (right) slipped into a form-fitting black dress with pink floral accents

Radiant: Stars galore made their presence felt at the shindig, including Zazie Beetz, whose flesh-flashing scarf top and sheer wrap skirt were sure to make a fashion splash

Radiant: Stars galore made their presence felt at the shindig, including Zazie Beetz, whose flesh-flashing scarf top and sheer wrap skirt were sure to make a fashion splash

So many stars: Kate Siegel emphasized her slim waist in a slim pencil skirt

Sizzler: Noah Centineo donned a top that fell seductively over his chest

So many stars: Kate Siegel (left) emphasized her slender waist in a sleek pencil skirt, while Noah Centineo (right) donned a top that fell seductively over his chest

There he is: Brendan Fraser, months away from his Oscar win for his acclaimed comeback film The Whale, exuded New York chic in head-to-toe black

There he is: Brendan Fraser, months away from his Oscar win for his acclaimed comeback film The Whale, exuded New York chic in head-to-toe black

What a night: Piper Perabo went for a muted ensemble in a gray-to-black color flow

Living it up: Mark Ruffalo exuded the magnetism of the silver fox at the reception

What a night: Piper Perabo (left) went for a muted ensemble in a gray-to-black color flow, while Mark Ruffalo (right) exuded the magnetism of the silver fox at the reception

Screen siren: Dianna Agron put a sassy twist on corporate chic by subtly donning a tube top under her loose-fitting pantsuit

Screen siren: Dianna Agron put a sassy twist on corporate chic by subtly donning a tube top under her loose-fitting pantsuit

Bonhomie: The opening night festivities were a prime venue for high-profile hobnobbing, allowing Robert to enjoy a reunion with Martin Scorsese

Bonhomie: The opening night festivities were a prime venue for high-profile hobnobbing, allowing Robert to enjoy a reunion with Martin Scorsese

His credit: Marty and Robert are currently awaiting the release of their 11th film together, Killers Of The Flower Moon, directed by Leonardo DiCaprio

His credit: Marty and Robert are currently awaiting the release of their 11th film together, Killers Of The Flower Moon, directed by Leonardo DiCaprio

The opening night festivities provided a prime venue for high-profile hobnobbing, allowing Robert to enjoy a reunion with Martin Scorsese.

Marty and Robert are currently awaiting the release of their 11th film together, Killers Of The Flower Moon, directed by Leonardo DiCaprio.

New York City Mayor Eric Adams was also on hand to hand Robert the keys to the city and be seen amidst the showbiz glitter.

The evening’s celebrations included the premiere of a Bosnian war documentary called Kiss The Future, as well as a reception at the Tribeca Grill.