it's not the time itself, it's the time in relation to when you sleep. i'd say it's safe to assume she still eats prior to going to sleep, but she surely doesn't go to bed at the times that your average properly employed normie does.
If you’re in a caloric deficit, the time of day that you eat doesn’t matter. The reason that people gain weight eating at night is because they tend to not make good food choices at that time and it puts them into a caloric surplus.
Amber isn’t the weight she is because she eats at odd times. She’s the weight she is because she regularly consumes 4000+ calories per day. If she kept her eating schedule the same but cut the calories in half, she’d lose weight.