Dylan O'Brien Tests Positive for COVID, Says He's 'All Good' with 'Mild Symptoms'

Dylan O’Brien.Photo: Marc Piasecki/WireImage Dylan O’Brienhas tested positive forCOVID-19. TheMaze Runneractor, 30, revealed his diagnosis on Twitter Monday, writing that he was “all good” and “experiencing mild symptoms.” “Being vaxxed & boosted (and having it with Obama) is v much helping,” said O’Brien, referring to former PresidentBarack Obama’s recentCOVID-19 diagnosis. The star went on to share that he “had to cancel [the] rest of press” — seemingly for his new filmThe Outfit—as a result of his illness.

Dylan Penn and Dad Sean Penn Had a '2-Hour Standoff' Over Mascara on Flag Day Set

The father-daughter dynamic didn’t stop on the set forSean Pennand Dylan Penn.During a Thursday appearance onThe Late Show with Stephen Colbert,the Oscar winner, 61, and his daughter, 30, shared the story of their “two-hour standoff” while filmingFlag Day, the upcoming drama Sean directed and stars in alongside Dylan.When hostStephen Colbertasked the actress if she and her father ever got “into loggerheads” over notes on the film, Dylan explained, “We had one major — I think it was a two-hour — standoff about a note he had.

Dylan Penn Recalls Watching Mom Robin Wright in' Princess Bride' at School — and How Boys Reacted!

Robin Wright and Dylan Penn.Photo: Getty Dylan Pennhad a unique fifth-grade experience involving her famous mom. The 30-year-old actress — who is making her starring-role movie debut alongside dadSean Pennin the new dramaFlag Day— recalls having to watch momRobin Wrightin a movie at school when she was a child. “The teacher put on a movie for the class to watch, and it wasThe Princess Bride,” Dylan tells PEOPLE, referring to the 1987 fantasy-romance epic starring Wright, now 55, andCary Elwes.

Dylan Penn Says Being Directed by Dad Sean in 'Flag Day' Was 'Equal to Doing Family Therapy'

It’s not every day your dad directs you onscreen, but such is the life ofDylan Penn, the only daughter of actor and directorSean Penn.Dylan, 30, reveals what it was like having her famous father direct her inher first leading performancein their upcoming filmFlag Day,out on Aug. 20, in this week’s issue of PEOPLE.“For me, it was equal to doing family therapy in a room full of strangers,” says Dylan of filming the emotional, and sometimes volatile, scenes in the movie.

Dylan Penn Shares the Sweet Nickname Sean Penn Calls Her — and the Gift He Got Her Inspired by It

Photo: Frazer Harrison/Getty Images Dylan Pennis dishing on the best gift she’s ever received from her dad,Sean Penn. “My dad got me a piece of jewelry that’s engraved,” Dylan says. “It says my nickname, which is ‘Peaches’ because I guess I devoured peach when I was really little and loved peaches.” Dylan tells PEOPLE her dad has used the sweet “Peaches” nickname for years, and used his excellent eye for jewelry to create the memorable piece.