Jennifer Lopez (L); Ben Affleck.Photo: Getty (2)

jennifer lopez and ben affleck

Ben AffleckandJennifer Lopezhave returned to the West Coast!

A source close to Lopez, 51, tells PEOPLE the couple returned to Los Angeles on Wednesday night after spending a few days in the Hamptons for theFourth of July weekend.

“They had an amazing weekend in the Hamptons. It was very relaxing and fun for everyone,” says the source.

The source adds, “Ben is bonding with Jennifer’s kids” 13-year-old twinsMax and Emme,whom she shares with ex-husbandMarc Anthony.

Lopez and Affleck, 48, were spotted enjoying a walk together on Saturday in New York’s Hamptons, stepped out in casual coordinated ensembles as theywalked with their arms around each other.

The pair appeared to be inseparable, sharing a kiss during their stroll.

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Ben Affleck and Jennifer Lopez.Elder Ordonez/SplashNews.com

Ben Affleck; Jennifer Lopez

“They were with family and friends and had several activities planned, including beach outings, boating and a BBQ,” a source told PEOPLE in this week’s issue.

The insider added that"their relationship is very strong,“and Lopez “is beyond happy” with Affleck.

“Ben always looksvery happy when he is with Jen,” a source recently told PEOPLE, as another insider said of the"Cambia el Paso” singer, “She spends as much time with Ben as possible.”

RELATED VIDEO:Jennifer LopezIs All Smiles withBen Affleckas They Spend Time Together in Miami

Dressed casually in a white tank top, baggy pants and sneakers, the"Cambia el Paso" singerbrought along Max and Emme. Affleck, meanwhile, donned a hoodie and jeans, and was seen with son Samuel beside him.

The coupleoriginally began dating in July 2002and got engaged that November before postponing their September 2003 wedding days before the date. They ultimately called off their engagement in January 2004.

Affleck and Lopez reconnected romantically following their respective splits fromAna de ArmasandAlex Rodriguezearlier this year.

source: people.com