Harry Styles performed in front of 180,000 people at his Wembley Stadium concert over the weekend.

He told his audience on Sunday night, "Wembley, last night was one of my favorite shows we've ever played. I don't know where to begin thanking you, and I'm completely overwhelmed. I'm so grateful; I'm so happy."

However, the "Watermelon Sugar" hitmaker's biggest fan is still his mother.

Reflecting on her son's biggest two shows of his entire career, Anne Twist wrote on her Instagram page, "When I thought you couldn't get better .. and I couldn't be prouder .. you blew me away tonight."

The 54-year-old, who has over 2.6 million Instagram followers, accompanied Harry Styles' elder sister, Gemma, on the current leg of his UK tour in London over the weekend.

Speaking on stage, the Cheshire-born singer-songwriter mentioned his sister, who was instrumental in his early career.

Harry informed the audience that Gemma brought him to London for the first time 12 years ago to enter the "X Factor" boot camp, and he has been living in London ever since.

"In many ways, this is very much home for me, so thank you for coming."

Anne also tweets about Harry on a daily basis and has become a staple on his tour. She even went to the Manchester leg of the tour and even visited the United States.

Anne was also in the crowd at his other, smaller London event at Brixton Academy, where he joked about performing risqué dilemma in his new song, "Keep Driving," with his mother there.

The 28-year-old joked, "I never thought I'd say 'cocaine' and 'side boob' with my mother in the audience."

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Harry Styles on Vogue Cover

Anne Twist has also been very supportive of Harry Styles, not just for his music but also for his wardrobe choices.

She expressed her pride at her son's decision to wear a dress on the cover of US Vogue, which drew worldwide criticism.

"I guess I had something to do with it," Anne said.

"I was always a big fan of doing fancy dress with them when they were smaller, which Gemma always hated but Harry always embraced."

The "Harry Styles: Love on Tour" will visit 32 locations. Due to COVID, his live gigs in the United Kingdom and Europe have been rescheduled for 2020 and 2021.

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