Rob Lowe rings in his milestone 60th birthday with Katy Perry, Robert Downey Jr., Cameron Diaz, and more at extravagant Santa Barbara bash

Rob Lowe celebrated his 60th birthday with a star-studded evening in Santa Barbara on Saturday while wearing a dapper black pinstripe suit.

The producer and host of The Floor, who technically reached the milestone on March 17, hired a live band featuring Grammy-winning jazz saxophonist Kenny G to entertain the crowd until 1:30 a.m.

“I love milestone birthdays because they really are an opportunity to reflect and think about where you want to go,” Rob said. People earlier this month.

‘I feel very honored and grateful that I haven’t had so many interesting things in my life. I never felt better. In my relationships and on all levels, I am in the pocket and that is exactly how I want to move forward in my next decade.”

Lowe invited A-list family and friends, including American Idol judge Katy Perry and her fiancé Orlando Bloom.

The Red Right Hand action star, 47, who popped the question to the 39-year-old pop star in 2019, wore a black jacket over a matching sweater, gray pants and Doc Marten-style boots.

Newly elected Oscar winner Robert Downey Jr. arrived wearing sunglasses and an all-gray suit.

The Oppenheimer actor, 58, was joined, as always, by his second wife and producing partner, Susan Levin Downey.

Four-time Golden Globe nominee Cameron Diaz, who is in the midst of her return to Hollywood, clutched a branch of flowers alongside her husband Benji Madden, with whom she just welcome her second child (her son Cardinal) through a surrogate mother.

The Avaline co-founder, 51, wore a black smock over a matching top and blue jeans while partying with 33-time Daytime Emmy winner Ellen DeGeneres and her wife Portia de Rossi.

The former talk show host, 66, smiled as she said goodbye to Cameron.

Ellen and the 51-year-old Australian, who have been married for 15 years, coordinated in a black pantsuit and a low-cut black dress.

Podcaster Literally’s youngest son, John Owen Lowe, posted on Instagram a snapshot of the large sign greeting guests at the party and saying: “No posting of photos on any social media.”

The Unstable creator star, 28, wore an all-black suit while chatting with two lovely ladies.

Oscar winner Gwyneth Paltrow was seen holding a package of balloons with her second husband, Brad Falchuck.

The Goop founder, 51, bundled up in a faux fur coat over a black pantsuit and blue ankle-strap sandals, while the 9-1-1: Lone Star creator, 53, wore a pastel yellow suit and brown Oxford shoes.