The ex-Love Island star, 34, has flown to Los Angeles for a photo shoot amid the furore over her boozy clinch with the married McFly star, 38.
Friends say the last week has been horrendous as she has been deluged with horrific trolling.
One friend said: "Maura is a tough character but the reaction has been utterly relentless, it's taken its toll. She has found it very difficult to navigate.
"She appreciates she is in the public eye and there is extra interest around her, but the abuse is off the charts, and people need to calm down."
Maura looked downcast as she was spotted at Los Angeles International Airport at the end of last week. The friend added: "She is trying to treat things as business as usual, but it's hard.
A video showed Danny and Maura sharing a brief boozy kiss at a BRIT Awards afterparty at around 3am on March 2. The pair were seen smiling as th...