Adam Levine denies cheating on wife but admits to have 'crossed a line'

Adam Levine "crossed the line" with his flirtatious behaviour - but has denied cheating on his wife.

The 43-year-old pop star has rubbished claims made by Instagram model Sumner Stroh that he cheated on Behati Prinsloo - although he confessed to showing "poor judgement".

In a statement on Instagram, Adam - who has been married to model Behati since 2014 - said: "A lot is being said about me right now and I want to clear the air.

"I used poor judgment in speaking with anyone other than my wife in ANY kind of flirtatious manner. I did not have an affair, nevertheless, I crossed the line during a regrettable period in my life."

Adam and Behati - who have children Dusty, five, and Gio, four, together - recently announced they're expecting their third child.

And although Adam has confessed to "inappropriate" behaviour", he's promised he won't repeat his mistake.

He said: "In certain instances it became inappropriate; I have addressed that and taken proactive steps to remedy this with my family.

"My wife and my family are all I care about in this world. To be this naive and stupid enough to risk the only thing that truly matters to me was the greatest mistake I could ever make.

"I will never make it again. I take full responsibility. We will get through it. And we will get through it together."

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The Maroon 5 star made the statement after Sumner claimed she dated the singer for about a year. She also shared Instagram messages that she claimed are from Adam.

Sumner said in a TikTok video: "At the time, I was young, I was naive and, quite frankly, I feel exploited."

She even suggested that Adam wanted to name his third child with Behati after her.

Sumner explained: "He said, 'Ok, serious question. I'm having another baby and if it's a boy I really wanna name it Sumner. You OK with that? Dead serious.'"