Justin Bieber has spoken about his marriage to Hailey Baldwin during an intimate concert in London, offering explicit details of what they get up to.

The 25-year-old pop star told fans gathered inside the Indigo venue at the O2 Arena that he and his wife liked to " Netflix and chill" during their downtime.

Asked by a fan what he did to relax, he said: "It depends who I am with. When I am with my wife we... You guys can guess what we do all day. It gets pretty crazy sometimes, I can tell you that.

"Yeah, that's pretty much all we do, to be honest. We like to watch movies - to Netflix and chill. We do more of the chilling part.

Justin Bieber greets fans as he arrives as Selfridges department store in London (
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MRM / SplashNews.com)

"I play a lot of sports, as you guys know. I have been playing sports. Hockey and soccer. I have been playing a lot of hockey, which I really like."

Justin and Hailey were first married in a secret ceremony in New York in September 2018, but exchanged vows for the second time in a more extravagant wedding in South Carolina in October, surrounded by family and friends.

They have known each other for several years and started dating in 2016. They later split but rekindled their relationship in May 2018.

Dressed in jeans, a black sweater and orange beanie, Justin celebrated the imminent release of his fifth album Changes by performing a five-song set backed by two acoustic guitarists.

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Justin Bieber has spoken intimately about wife Hayley (
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Instagram)

He paid tribute to Hailey, saying: "I'm telling you, being married is so awesome. But don't get it twisted, marriage is not easy.

"It is something you have got to work for. If marriage was easy everybody would just do it really fast.

"If you guys want to be serious and get married just know it is not just something... It takes work.

"Every day you have to love that person, be kind to that person. It takes work because when you do it is powerful. It's just incredible."

Justin has spoken about his mental health battle (
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MRM / SplashNews.com)

His set included the new tracks Yummy, Intention and Changes, as well as the 2015 song Love Yourself, during which he read lyrics from a phone.

Justin addressed how his experience of depression, drug use and Lyme disease had influenced the album.

He said: "The past couple of years have been, I'm not sure have you seen my new docu-series, but it has been a rough couple of years, just going through a lot of different changes.

Justin Bieber has opened up about his private life (
Image:
MRM / SplashNews.com)

"It has been interesting but I think this music really reflects the past few years - some of the hardships, some of challenges, some of the changes.

"I got married over the past few years to a beautiful beautiful lady, who I miss a lot."

Asked which famous person he would like to meet, dead or alive, he replied: "Muhammad Ali."

*Changes is released on February 14.

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