AN Instagram model claims she had a year-long affair with Maroon 5 frontman Adam Levine - and he even asked to name his baby after her.
Levine, 43, denied having a physical affair but after flirty messages were revealed by Sumner Stroh, 23.
It comes just days after Levine and his Victoria's Secret angel wife Behati Prinsloo, 34, revealed she is pregnant with their third child.
Sumner made her allegations in a TikTok confessional video which has been viewed more than 15million times in 24 hours.
The Texan beauty captioned the video: “Embarrassed I was involved with a man with this utter lack of remorse and respect.”
She said: "Essentially, I was having an affair with a man who is married to a Victoria’s Secret supermodel.
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"At the time, I was young and naïve. And I mean, quite frankly, I feel exploited.
"I wasn't in the scene like I am now, so I was definitely easily manipulated.
Sumner also showed screenshots of what appeared to be direct messages from the married rocker's official Instagram account with 15million followers.
He allegedly told her: "It is truly unreal how f***ing hot you are. Like it blows my mind.
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"You are 50 times hotter in person."
Sumner claims they were "seeing each other for about a year", although she did not give dates.
He allegedly got back in touch recently through Instagram DMs to ask a question that she says left her aghast.
Levine asked: "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."
Sumner said the messages made her feel like "I have to be in hell at this point".
She added: "I mean my morals were unknowingly compromised. I was completely manipulated."
The model said she was speaking out reluctantly to avoid the story emerging elsewhere.
She claimed she shared the screenshots privately with a friend who threatened to make them public.
Sumner, who also has a raunchy OnlyFans account, said: "I wanted to handle this privately.
"I never wanted to come forward because obviously I know the implications that come with doing what I do, making money the way I do, and being an Instagram model."
'Greatest mistake'
The Sun has not been able to independently review the messages to confirm their authenticity.
But Levine appeared to confirm he sent them in .
He said: "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 of my life.
"In certain instances it became inappropriate. I have addressed that and taken proactive steps to remedy this with my family."
And he added: "My wife and my family is 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."
Levine - in the US - began dating Namibian beauty Behati in 2012.
They married in 2014 and have two daughters, Dusty Rose, five, and four-year-old Gio Grace.
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In May this year they sold their sprawling ten-bed LA mansion for $51million, around $6million under the asking price.
They still made $19million profit four years after buying it from A-lister former owners Ben Affleck and Jennifer Garner in 2018.