Brad Pitt and Girlfriend Ines de Ramon Spend Date Night at Leonardo DiCaprio’s Milestone 50th Birthday Party

A source tells PEOPLE that Pitt was in a "great mood" during the event in Los Angeles on Saturday, Nov. 9

Brad Pitt and Ines de Roman had a star-studded date night!

The pair attended Leonardo DiCaprio's 50th birthday celebration at the Titanic star's Los Angeles home on Saturday, Nov. 9. A source tells PEOPLE that Pitt, 60, was in good spirits during the party.

"Brad was in the front patio of the party the entire night," the source says. "He was in a great mood, was super social and greeting everyone. He and Ines arrived together but did their own thing."

Other party guests included Tobey Maguire, Robin Thicke with fiancée April Love Geary, Odell Beckham Jr., Tyga, Jamie Foxx, Paris Hilton, Cara Delevingne, Chris Rock and Kevin Connolly.

The Moneyball star and the L.A.-based jewelry industry executive, 31, left the party together in a gray Porsche with Pitt at the wheel.

Related: Brad Pitt and Ines de Ramon Are 'Each Other's Biggest Cheerleaders': 'In It for the Long Haul' (Exclusive Source)

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Pitt and de Ramon initially sparked romance rumors in November 2022 when they were seen at a Bono concert with Cindy Crawford and Rande Gerber. Following the sighting, a source told PEOPLE that the pair had "been dating for a few months" and "met through a mutual friend."

In February 2024, an exclusive source told PEOPLE that the couple had moved in together. "They are going very strong and she is happier than ever," the insider said.

Related: Brad Pitt and Ines de Ramon Are 'Making Plans for the Future': 'They Have Something Special' (Exclusive Source)

In July, a source confirmed that the couple's romance was still going strong, telling PEOPLE: "Things have been amazing since they moved in together. It’s more of a serious relationship than just dating."

"Brad loves so many things about her. She's great for him," the source added.

The two made their red carpet debut as a couple at the Wolfs premiere during the Venice Film Festival in September.