Photo:Kevin Mazur/Getty

Naomi Watts and Billy Crudup pose during the 28th Screen Actors Guild Awards at Barker Hangar on February 27, 2022 in Santa Monica, California

Kevin Mazur/Getty

Naomi Wattsand her new husbandBilly Crudupare a perfect match!

After theWatcherstar, 54, andTheMorning Showactor, 54,said “I do"last week in New York City, a source tells PEOPLE that the newlyweds have always been a great pair.

“They have a fun relationship,” says the source. “They love going on dates to different restaurants. They often bike around NYC and hang out on the beach in the Hamptons with friends. Naomi always smiles with Billy.”

On Sunday,Watts posted a photo to her Instagramfrom the couple’s wedding day with their arms around each other.

“Hitched! 🕊️🪢♥️,” she simplycaptioned the photo.

Naomi Watts/Instagram

Naomi Watts Wedding

“Their relationship is a love story,” says a Watts source. “They have the most amazing chemistry. He makes Naomi laugh like no one else. She deserves love and happiness. Billy has been so good to her. He’s an amazing partner.”

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories.

The pair have made for a low-profile couple over the years. Crudup toldEntertainment Tonightin March 2018 that he tries “to make it a point of not commenting publicly one way or the other about my personal life.”

The actor only referenced his and Watts' relationship publicly for the first time at the 25th Critics Choice Awards in 2020, when he thanked his girlfriend while accepting the best supporting actor for his role onThe Morning Show.

Naomi Watts Billy Crudup wedding

The newlywedshave been linkedsince they starred together in the 2017NetflixseriesGypsy, but didn’t make theirred-carpet debut as a coupleuntil five years later. In February 2022, they walked thered carpettogether for the first time at theScreen Actors Guild Awards.

A film source tells PEOPLE that the couple were friends first friends before falling in love.

“They have respected and admired each for years,” says the source. “They wanted a private wedding, and they got it. They are very happy.“

On Sunday, Watts gave more glimpses into her nuptials and thanked those involved in the special affair. “So grateful for these two who’ve been there for a solid 18 years. Love them so so much,” Watts said on photograph of her with her hair stylist Ryan Trygstad and makeup artist Kyra Panchenko.

Another photo showed the trio with Watts' manager, Jason De Beer, who poked his head into the bottom of the shot. The actress wrote: “And @jasondebeer!!! So beyond grateful for you.”

Naomi Watts/ Instagram

Naomi Watts Shares Behind-The-Scenes Photos From Wedding To ‘Hubby’ Billy Crudup: ‘Flowers From the Deli’

“Her friends are very excited for her,” the source says. “It’s the best news that they’re married.”

source: people.com