Olivia Wilde wears a fuchsia sweater and jeans for a casual look as she strolls around London

Olivia Wilde strolled on Monday after her boyfriend Harry Styles performed his One Night Only performance at Brixton Academy last week in North London.

The 38-year-old actress looked casual in a fuchsia sweater and sunglasses as she stepped into a street fashion show in the capital.

It was previously reported that her relationship with “obsessed” Harry, 28, was “more serious than ever”, and they met in September 2020 while filming their film “Don’t Worry Darling.”

Casual: Olivia Wilde, 38, donned a knitted fuchsia sweater as she strolled around London on Monday...claims her relationship with Harry Styles, 28

Casual: Olivia Wilde, 38, donned a knitted fuchsia sweater as she strolled around London on Monday…claims her relationship with Harry Styles, 28″ more serious than ever”

Olivia, who has been dating the rocker since early 2021, looked effortlessly stylish in her vibrant jumper during the outing.

The brunette beauty who directed Harry in the upcoming film paired a bright top with a figure that embraced blue denim flares.

During her afternoon walk, she slipped into her white sneakers and listened intently to her Bluetooth headset.

The star’s ombré hair was naturally wavy as they fell freely from her shoulders – revealing a bare face.

Harry's new album?She wears white sneakers and listens intently to her bluetooth headphones during an afternoon walk

Harry’s new album?She wears white sneakers and listens intently to her bluetooth headphones during an afternoon walk

Olivia wore a stylish pair of aviator sunglasses and a handbag slung over her shoulder.

a source told people Despite her busy schedule, she and the former X Factor finalist have been “figuring out how to keep things going”, with Olivia showing off the singer’s “romantic side”.

The insider said: “What may have initially seemed like a one-night stand has now turned into a committed relationship. Olivia has been very revealing of his romantic side.

Couple: She and the former X Factor finalist have been 'finding ways to keep things going' despite their busy schedules, while Olivia shows the singer's 'romantic side'

Couple: She and the former X Factor finalist have been ‘finding ways to keep things going’ despite their busy schedules, while Olivia shows the singer’s ‘romantic side’

“He also has a lot of respect for her when it comes to work. He would love to work with her again. They both support each other’s causes.

The outing follows Harry’s intimate One Night Only concert a week ago.

The superstar made sure the 4,921 fans flocking to the south London venue would have a golden night as he provided them with a selection of tracks from his third album Harry’s House, which was released last week.

Superstars: The outing comes after Harry's intimate One Night Only concert in Brixton, where he let them listen to one of his third album 'Harry's House' series

Superstars: The outing comes after Harry’s intimate One Night Only concert in Brixton, where he let them listen to one of his third album ‘Harry’s House’ series

The singer, who said he had a “wonderful” experience being directed by his girlfriend in the upcoming Psycho movie, was recently asked directly if he fell in love with her on set.

“Oh wow…how to answer that?” he said on Sirius XM’s The Howard Stern Show.

The former One Direction and X Factor star was quick to rave about the filmmaker in the interview.

'Oh wow...how to answer that?': Harry wiggles when asked directly on set of 'Don't Worry Darling' if he's in love with Olivia

‘Oh wow…how to answer that?’: Harry wiggles when asked directly on set of ‘Don’t Worry Darling’ if he’s in love with Olivia

Harry explained to the New York radio show: “It’s a little uncomfortable to perform at times.

“I think you have to be very trusting. If you want to give everything to it, it takes a lot of trust, and I think it’s a gift to be able to trust your director, so that’s very helpful.

The Watermelon Candy producer added that all of this combined “means a really good experience” and the film’s scheduled release date is September 23.

Recent reports suggest Olivia and Harry are getting serious after introducing the pop star to her two children, Otis, seven, and Daisy, five.

Industry insiders claim that while it may seem like a “show hookup” at first, it’s clear the deeply-loving couple is much more than that.

Harry, who has previously dated numerous celebrity girlfriends, has reportedly never been this serious with anyone sun.

A source said: “At first it seemed like a flashy thing, two charming people hooking up, but now it’s clearly more than that.

“They held back a bit at first, but now that things are settled, it’s time for the next thing.

Movie star: Harry to star in 'Don't Worry Darling' with Florence Pugh and Chris Pine

Movie star: Harry to star in ‘Don’t Worry Darling’ with Florence Pugh and Chris Pine