United Kingdom, April 15 -- Ashley Tisdale apologised to Meghan Trainor after the singer was "dragged into" the viral toxic mom group saga.

The High School Musical star sparked speculation when she called out "mean-girl behaviour" in a piece for The Cut about cutting ties with some of her friends last year, with fans questioning whether the All About That Bass hitmaker was one of the people Ashley was talking about.

However, Meghan - who has Riley, five, Barry, two, and Mikey, three months, with husband Daryl Sabara - has insisted she wasn't part of the drama because she was such a "bad friend", she hadn't had the time to atttend any meet-ups and so the group had already moved on without her before Ashley allegedly experienced problems....