Justin Theroux takes a silly selfie with pal Robert Downey Jr. as they attend Olivia Rodrigo concert in Philadelphia

Robert Downey Jr.’s bromance with pal Justin Theroux is still going strong.

The Oscar winner, 59, and the Beetlejuice Beetlejuice star teamed up to take in an Olivia Rodrigo concert in Philadelphia on Friday July 19. 

Theroux, 52, shared a couple of snaps from the big night out that included his girlfriend Nicole Brydon Bloom, 29, and her lookalike sister Ava. 

Downey looked relaxed in a black button down shirt over a peach toned graphic T-shirt.

The Oppenheimer star tried to keep a low profile, wearing a black bucket hat and dark framed glasses. 

He sported the beginnings of a salt and pepper beard and carried a small white crossover bag and a pair of noise cancelling headphones. 

Theroux donned a khaki green military inspired shirt with the name Kurtz on the pocket, and square aviator style sunglasses.

His dark curls were styled into a sort of faux-hawk and his beard was neatly trimmed. 

Nicole Brydon Bloom, best known for her roles in The Gilded Age and We Were The Lucky Ones, selected a black sleeveless boat neck top with thin straps and a gray skirt.

Her sister stepped out in a strappy black camisole and jeans. The pair were seen holding hands as they posed by the actors. 

Inside the Wells Fargo Center, Theroux snapped another selfie of himself and Downey as they waited for the Good 4 U singer to take the stage.

‘Back in the city of brotherly shoves,’ the Mulholland Drive star joked, making a play on words.  Philadelphia is Greek for brotherly love, thus resulting in the nickname ‘the city of brotherly love.’ 

Inside the Wells Fargo Center, Theroux snapped another selfie of himself and Downey as they waited for the Rodrigo to take the stage. ‘Back in the city of brotherly shoves,’ the Mulholland Drive star joked, making a play on words about Philadelphia’s nickname

Downey and Theroux go back a long way. Theroux co-wrote the screenplays for 2008’s Tropic Thunder and 2010’s Iron Man 2

The two friends go back a long way. 

Theroux co-wrote the screenplays for 2008’s Tropic Thunder and the 2010 blockbuster Iron Man 2, both starring Downey. 

It was the Marvel star who introduced Theroux to his former wife Jennifer Aniston in 2007. The couple married in 2015 but divorced two years later.

Theroux and Bloom made their first official appearance as a couple at 2023’s Vanity Fair Oscars Party, and recently attended the wedding of friends Naomi Watts and Billy Crudup in Mexico City together.