“Brad looked super happy,” an onlooker tells PEOPLE of the actor’s Tuesday party in Los Angeles
Brad Pitt’s 60th birthday was one for the books.
About the Oscar winner’s celebration at Mother Wolf in Los Angeles Tuesday night, a source tells PEOPLE he had a smaller party in one of the private rooms, and that “there weren’t any other celebrities” at the laid-back affair.
“Brad was in a good mood and friendly with staff,” the source continues, adding that his girlfriend Ines de Ramon “was affectionate with him [and] put her hands on him.” Also, “the room was decorated with balloons.”
According to an onlooker, guests (about 30 in total) began arriving to the restaurant around 8 p.m., and started to depart about four hours later.
The onlooker tells PEOPLE Pitt “looked super happy and kept close to Ines when exiting.”
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As for de Ramon, “She stopped and spoke to friends with Brad by her side,” they add.
“His smile kinda says it all,” the onlooker notes of Pitt. “Literally it looked like everyone had a smile on their faces as they exited.”
Pitt and de Ramon’s birthdays are just a day apart: the actor’s was on Monday, while his jewelry-designer girlfriend rang in her 34th on Tuesday.
The Bullet Train actor was photographed outside the restaurant in black slacks and a black button-up with an eclectic gold print. Carrying a yellow balloon, de Ramon was outfitted in a cream-colored dress, coordinating with a long matching scarf and black tights.
Attendees were spotted holding various pieces of artwork while leaving the celebration — one guest was seen carrying a large photo of Pitt and de Ramon making funny faces at the camera. Pitt, who is also an artist, was photographed holding a piece of artwork featuring two wolves.
Just ahead of the actor’s Los Angeles shindig Tuesday night, he and his girlfriend of one year spent multiple days in Paris.
Following an arrival at Charles De Gaulle Airport over the weekend, Pitt and de Ramon spent Sunday at their luxury Paris hotel off the Champs-Elysees.
Balloons were seen arriving to the hotel (including some “60” varieties) on Monday, before the pair ventured out for a day of fun together.
After enjoying a meal prepared by a chef at a private apartment, Pitt and de Ramon attended a folk-rock concert by Asaf Avidan at the Théâtre du Châtelet, according to a source.