Inside Britney Spears and Sam Asghari's Relationship 'Issues' and 'Cheating Allegations' That Led to Split

etonline.com:

Britney Spears and Sam Asghari's marriage is over. In the wake of the news that the couple has called it quits one year after they tied the knot, a source tells ET about a cheating allegation that may have led to that decision.«Britney and Sam have split.

She's adamant she didn't cheat,» the source says of the 41-year-old singer. «The two haven't got along for a while and it finally came to an end after a major blowup.»Another source notes of Spears, «She has been denying any cheating allegations and going through a lot of emotions.»According to, which was first to report the news of the split, the decision to end things came after Spears' husband confronted her over rumors that she had been unfaithful, leading to a big blowout fight. «Britney has not been doing well regarding her current situation with Sam,» ET's second source says. «She is hurt because the situation brings up old feelings for her.»The second source adds that the breakup «is the last thing» the pop star needed, as her children — Jayden James, 16, and Sean Preston, 17 — recently moved to Hawaii with their father, Kevin Federline, amid the devastating wildfires.

The situation, the source says, has left Spears «worried.»«She has been trying to get back on her feet and be healthy emotionally, physically, and mentally,» the source says. «Britney has people by her side and her immediate circle is there for her.