The claims followed Amy and her fellow Love Islanders enjoying a reunion without Molly.
Amy shared pictures alongside Amber Gill, Anna Vakili, Belle Hassan, Yewande Biala, and Francesca Allen on her social media earlier this month.
The innocent pictures from the girls' night in resulted in a string of messages suggesting a feud between some of the group.
But rubbishing the rumours, Amy hit back this week: "I got so many comments. 'Where's Molly? Where's Maura? Where's Lucie?'. You lot were out of order. It wasn't my sleepover. I [just] posted the picture."
She told the Daily Mirror newspaper: "If you had a friendship group of 36 people or 18 girls, how often would you all get together? Say we're shift workers, we don't have 9 to 5 schedules."
Amy went on to reveal she was still in contact with her fellow Islanders, adding: "I love Molly!"
"She is so busy! They [Molly and Tommy Fury] are in Vegas at the moment. I messaged her this morning, Vegas is my place.
"We all know it is crazy at the moment but we are all working in London."
Fresh from the summer series, Love Island will return soon with its first ever winter run in 2020 as the show moves to a new villa in Cape Town in January.
The summer season in Spain will air as usual later in the year.
Applications for Series 6 of Love Island in 2020 are open now at ITV.com/LoveIsland
Meanwhile, you can currently watch all episodes of Love Island online via the ITV Hub.