Lie on your left side with your legs straight. Shift your weight onto your left hand and raise your hips so that your body forms a straight line from your shoulders to your ankles. Squeeze your abs tight and hold for time. Then, switch sides and repeat.
I wish more women would realise the benefits of weight lifting and know that it's physiologically impossible to bulk up like men do without some serious medication or years of intense training and specific eating schedules.
11 Lazy Girl Hacks That Will Help You Lose Weight Fast