Patrick Schwarzenegger after celebrating his 30th birthday beamed on Tuesday while holding his niece Eloise during a family outing in Santa Monica, California.
The actor smiled while wearing grey shorts and matching sweater as he carried his one-year-old niece while walking with his sister Katherine Schwarzenegger, 33.
Patrick completed his casual outfit with white socks and blue sneakers and also sported a blue trucker cap.
Katherine also was dressed down in a black T-shirt and faded blue jeans and looked on with a toothy grin as Patrick carried her daughter.
She wore an unbuttoned white sweater and finished her look with white sneakers.
Katherine accessorized with sleek black sunglasses, hoop earrings, necklace and a Christian cross pendant on a chain.
Post-birthday breakfast: Patrick Schwarzenegger after celebrating his 30th birthday beamed on Tuesday while holding his niece Eloise during a family outing in Santa Monica, California
The wife of actor Chris Pratt, 44, carried a cup of coffee while walking with Patrick and Eloise.
Patrick’s model girlfriend Abby Champion, 26, joined them for the breakfast outing.
Abby kept it simple in a plain grey sweat suit and white sneakers.
She accessorized with black sunglasses and had her blonde hair pulled back.
Abby and Patrick have been in a relationship since 2015.
Patrick turned 30 on Monday and celebrated with an intimate dinner at Nobu in Malibu with his family.
His parents Arnold Schwarzenegger, 76, and Maria Shriver, 67, siblings Katherine, Christina Schwarzenegger, 32, and Christopher Schwarzenegger, 25, and his brother-in-law Chris all joined in the festivities.
Fun uncle: The actor smiled while wearing grey shorts and matching sweater as he carried his one-year-old niece while walking with his sister Katherine Schwarzenegger, 33
Sporty style: Patrick’s model girlfriend Abby Champion, 26, joined them for the breakfast outing and kept it simple in a plain grey sweat suit and white sneakers
The actor – who vacationed on the Amalfi coast last month with his girlfriend – wore a blue and burnt orange suede coat over a simple white t-shirt as he dined on upscale sushi.
His sister, Katherine also shared a birthday tribute to her brother on Instagram, posting a carousel of photos with him from throughout their lives.
‘The big 3 0 ! Happy birthday my loving brother. I love you, I’m proud of you and I can’t wait to see you keep living your best life!’ she captioned the post.
Patrick commented on his sister’s post with four heart emojis.
Katherine and Chris also have three-year-old daughter Lyla and Chris also has 11-year-old son Jack with his ex-wife Anna Faris, 46.
Online tribute: Katherine also shared a birthday tribute to her brother on Instagram, posting a carousel of photos with him from throughout their lives
Famous father: Arnold Schwarzenegger, shown in June in Los Angeles, joined the family celebration on Monday for Patrick at Nobu in Malibu
Patrick can be seen in the upcoming TV superhero series Gen V, a spin-off of The Boys.
The show follows young adult superheroes who are tested in battle challenges at the Godolkin University School of Crimefighting run by Vought International.
Patrick portrays Luke Riordan, also known as Golden Boy, who is a popular student and fire manipulator.
Gen V is scheduled to premiere on Amazon Prime Video with the release of its first three episodes on September 29, followed by a weekly episode release until the season finale on November 3.
