Lauren Sánchez and son with Jeff Bezos.

Lauren Sánchez and son with Jeff Bezos

Jeff Bezosand partnerLauren Sánchezhad fun in the sun this Christmas!

The Amazon co-founder, 57, and the Emmy Award-winning journalist, 52, took a trip together to St. Barts this year alongside members of their family, including Sánchez’s son Nikko Gonzalez, whom she shares with former NFL starTony Gonzalez.

“Nothing better than this,” shewroteon Instagram last week alongside a photograph of herself striking a pose with her son and Bezos.

“Closing out the holiday week and gearing up for the New Year. I am so grateful for all the love that surrounds me everyday. My partner, family and friends,” shecaptioned the post. “I love you all so much and I am thankful for your love and support. Bring it on 2022 🤍.”

A source tells PEOPLE that the trip “was a big family celebration.”

“They’ve been together four years now, so their families are really blended at this point,” adds the source. “Their families are very close.”

Bezos and Sánchez have celebrated many happy moments together this year — including when the billionairemade his first trip to spaceback in July alongside his brother.

“We have a bunch of close friends here too, it just makes me realize how much I love you and how much I’m loved,” he added.

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A source close to the couple previouslytold PEOPLEthat the pair’s commitment to philanthropy has “been a focus and bright spot for them.”

“They’ve been active in it — doing a lot of the calls themselves and meeting with the people working on the various initiatives they’re involved with,” added the source. “You can see and hear their excitement when they meet with partners on the climate, education and homelessness work.

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The couplewent public with their relationshipback in January 2019.

Both have children from previous relationships. Bezos shares three sons and one daughter with ex-wifeMacKenzie Scott, while Sánchez has a son with Gonzalez as well as a son and daughter with agent Patrick Whitesell.

source: people.com