There are a number of traditions that are followed throughout the world like the candle lighting ceremony, shoe ceremony, Tiara ceremony, Father-daughter dance and video montage etc.
So, it is always really difficult to find a perfect gift for your daughter, friend or a sister on her sweet sixteenth birthday party. Let me help you guys out with the top ten gifts that you can gift on your sister/daughter/ friend's sweet sixteen birthday.

Slim Digital Camera

Girls love to photograph different things and different moments in their lives; whether it is a family reunion or a friend's hangout they will surely need a camera to capture the memories.
Jewelry and Jewelry cases

Jewelry is a perfect option for a girl who is going to be 16, you can give a personalized ring or a necklace with their name engraved on it or you can give bracelets and friendship bands plus ear rings on their birthday. Jewelry cases are also a perfect option, because they surely need a case to hold their jewelry together.
Cell phone skin

Every girl almost has a cell phone so you can give them a cute cell phone skin or a personalized one! You can also get them a cell phone skin with their favorite thing on it. They will love it!
Summer Beauty set

When girls grow up they obviously get conscious about their beauty, and when summer is near you can surely gift a summer beauty kit to them. They will know some things about how beautiful they are after using them

IPod Nano with fun speakers

iPod nano is also a perfect option for a sweet sixteen birthday girl, if you also give them some fun music speakers with it, they will love it!
Funky Dresses and Shoes

Girls are crazy when it comes to shoes and dresses, so buy them cute and funky girlish dresses and shoes like pumps, heels or whatever type they like.
Slumber Party Sleepover essentials

Now the girl is growing up! So, slumber party essentials can be a perfect option for a girl turning sixteen.
Handbags and Wallets

A fashionable and trendy girl will love to have handbags, clutches and wallets! The recycled stuff is already in and if you go for more pink and girlish colors, your girl will love it!
Sweet 16 Photo Frames

Sweet 16 birthday is always the most memorable time of your life, and if your give the birthday girl a sweet sixteen photo frame, that will be an awesome memory for her![Source]