You will need:-
a small brush
a pink pastel nail polish
a black nail polish.
Steps:-
1. Apply a full coat of pink nail polish all over your nails and let it dry for a few minutes.
2. Then using a thick brush, make a triangle figure such as shown in the picture.
3. Finish the heart shape carefully based on the picture number five,give your heart the right shape.
4. Now fill the corners such as shown in the picture .
5. You are done.