She’s spent most of her time in Cannes alongside her father Sean as they promote their new film.
Yet Dylan Penn had her brother Hopper for company as they attended the Louis Vuitton dinner at at Fred L’Ecailler during the Film Festival on Tuesday.
Looking every inch the showbiz family, the famous siblings had all eyes on them as they posed for snaps at the event.
Siblings: Dylan Penn had her brother Hopper for company as they attended the Louis Vuitton dinner at at Fred L’Ecailler during the Film Festival on Tuesday
Dylan, 30, looked radiant as she slipped into a little black dress that skimmed over her lithe figure.
The garment was adorned with sequin detailing on the bodice and a knitted skirt that flared out to knee length.
She boosted her frame with a pair of smart black heels and injected some glitz with a glittering silver clutch bag and chandelier earrings.
Dressed to impress: Dylan, 30, looked radiant as she slipped into a little black dress that skimmed over her lithe figure
Leggy lady! The garment was adorned with sequin detailing on the bodice and a knitted skirt that flared out to knee length
Blonde bombshell: Dylan wore her golden locks scraped up in a chic chignon bun
Hopper, 27, looked dapper as he sported a navy Louis Vuitton jacket and chinos.
The siblings have been in Cannes for the premiere of Flag Day, which is the eighth film their father Sean has directed.
The movie is a family affair with Dylan and Hopper among the star-studded cast.
Dapper: Hopper, 27, looked dapper as he sported a navy Louis Vuitton jacket and chinos
Family affair: The siblings have been in Cannes for the premiere of Flag Day, which is the eighth film their father Sean has directed
Flag Day is about a father who leads multiple lives as a counterfeiter, bank robber and con man to provide for his daughter.
Josh Brolin, Norbert Leo Butz, Dale Dickey, Eddie Marsan, Bailey Noble and Hopper Jack Penn will also star.
The film is based on the novel by Jennifer Vogel, called Flim-Flam Man: The True Story Of My Counterfeit Life.
Wow: French actress Isabelle Huppert, 68, also looked incredible as she donned an elegant black dress with a fitted silver bodice featuring a high neck and long-sleeves
Stunning: She added a touch of sparkle to her Cannes ensemble with stunning silver earrings as well as her dress having dozens of green embellishments
Suited and booted: Borat actress Maria Bakalova looked radiant in a sequinned embellished co-ord that she teamed with a gold clutch bag
Timothée Chalamet went casual for the event
Sean shares his daughter Dylan and son Hopper, 28, with House of Cards actress Robin Wright, 53, Sean’s second wife.
The family lived together in Marin County, California until their parents’ divorce in 2010.
Dylan received early career success with modelling campaigns for the likes of Gap, and has appeared in several independent films.
Cute couple: Spike Lee attended the dinner alongside his wife Tonya Lewis. The director is the head juror at this year’s Cannes Film Festival
Glittering: Tonya wowed in an embellished black dress while Spike opted for a bomber jacket
Standing out from the crowd: Legendary shoe designer Christian Louboutin wowed in a bold printed jacket
Hopper has worked on movies Heirlooms and Puppy Love, and will also appear alongside his father and sister in Flag Day.
Sean is next set to star opposite Dakota Johnson in Daddio, which will explore two complete strangers making revelations about ‘sex and power dynamics’, according to Deadline.
The actress, 31, will be playing a young woman who is picked up from JFK airport by a cabbie named Clark, played by Seann.
After the duo engage in ‘amusing chit chat’, the conversation veers into ‘mysterious and playful’ before growing into ‘viscerally honest revelations about relationships, sex and power dynamics, loss and vulnerability,’ according to the website.
Glamorous girls: Isabelle Fuhrman looked incredible in an embellished mini dress while Adèle Exarchopoulos showed off her abs in a white crop top that she teamed with yellow trousers
Dapper: The Serpent actor Tahar Rahim wowed in an all-navy look