[Gallery] Happy Birthday, Amber!

f(x) member Amber Josephine Liu was born on September 18, 1992 and celebrates her 21st birthday today! The Taiwanese-American singer is known for both her musical talent and her androgynous looks that won over many fans. In fact, her unique appeal adds much to the diversity of backgrounds represented in f(x). Here are 21 photos of our beloved Amber in her career and in her most adorable moments!

Amber with beautiful purplish-blue hair.

Cute Amber as a kid wearing her favorite color- red!

Amber, Jonghyun and Donghae taking a “Dinosaur Family” photo!

Amber and her sister Jackie! They look so alike! 

The photoshopped image of Amber’s long hair that took everyone’s breath away.

Amber’s own photos of her long hair that she shared on Twitter last year!

Amber absorbing her new role as tribal royalty for a pictorial.

Amber and Donghae playing around and looking like adorable siblings.

Amber dressed in traditional Korean clothes while sending fans her heart.

Amber looking futuristic with the jeweled eyebrow and mechanical daisy for the music video of “Rum Pum Pum Pum.”

Amber looking fresh, contemporary and cool even with a plastic snake on her head.

Amber using toilet paper to represent streams of tears in an adorable SNS pic.

Amber sporting a jersey and cap in her favorite color!

Amber’s adorable surprised expression!

Amber and Heechul sporting trendy hairdos together.

Amber bringing the visor back into fashion.

Amber and the llama doll that looks just like her! Too cute!

Amber and her friends doing the harlem shake! Have you seen their video yet?

Amber being a jokester on the “Nylon” photo shoot set.

Amber rocking a cool denim vest with playing cards on it.

Hope you have an amazing birthday, Amber!