She holds a bachelor's degree in business management and can speak fluent Malay, Cantonese and English while also learning Tagalog to help her television acting career in the Philippines.

She is a spokesperson for international watch brand Longines along with Malaysian theatre personality Paula Malai Ali,[4] and for Celcom with Singaporean singer JJ Lin.

[5] Carmen started as an extra in the 1999 Jackie Chan movie entitled Gorgeous alongside Shu Qi, and later was in Aaron Kwok's musical special.

[8] In the same year, she appeared alongside JC De Vera in the third season of 5 Star Specials entitled Si Paco at ang Prinsesa, directed by Bb.

In April 2010, Soo became a co-host on Wowowee along with Kelly Misa, Jed Montero, Isabelle Abiera, RR Enriquez, Valerie Concepcion, Mariel Rodriguez and Pokwang.