Best way to lose fat in just 3 weeks?

Anonymous
So need to know the fastest way to lose weight in 3 weeks, birthday coming up, already lost 2 kg want to lose another 4kg. Guessing most of you will basically say starvation as the quickest even though its the least healthiest, but all answers appreciated. Oh keep in mind I'm dairy sensitive.
Updates
+1 y
My diet consists mainly of;

1. eggs and egg whites

2. fruits and vegies

3. chicken and tuna

4. sprouted grain bread

5. raw nuts

6. dark choc(sugar-free) for my sweet tooth

7.water and green tea.

Dont know what I'm doing wrong. Sometimes I cave, but I make up for it by eating less the rest of the day or the next day. Try hit the gym around 4 times a week, would go more if I could just either working or studying.
Best way to lose fat in just 3 weeks?
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