Adam Levine allegedly cheats on his pregnant wife and wishes to name their unborn child after his mistress.

Sumner said on his Tiktok, "I was having an affair with a man who married a Victoria's Secret model."

The Instagram model shared an alleged DM from Levine in which he asked if it was okay if he named his unborn child after her.

serious inquiry I'm expecting another child, and if it's a boy, I really want to name him Sumner Are you okay with that? I'm dead serious, with a shrugging emoji.

Sumner stated that she feels "like I have to be in hell at this point" after reading his DM. My morals were being jeopardised unknowingly."

"Be aware that many people will try to fill in the gaps with many false assumptions," she wrote on TikTok after posting the video.

 Given the circumstances, I don't feel like I'm doing anyone any favours. It's a lot to take in, but hopefully getting the truth out will do some good."

Levine has not responded to the woman's allegation of an affair. After dating for two years, he and Behati married on July 19, 2014.

 Their first child, Dusty Rose, was born on September 21, 2016, and their second child, Gio Grace, was born on February 15, 2018.