She is of mixed Carib, Indian, Portuguese, Chinese and English descent[3][4] Walcott was born in Port of Spain on 26 June 1984.

An experienced equestrian show jumper, Walcott also took up hobbies such as dance, yoga, Pilates, photography, hockey, and art and has always had a passion for acting and theatre.

"[6][7] Her other production credits include Set Artist for Real World/Road Rules Challenge: The Gauntlet in 2005 and as wardrobe supervisor for Backlash in 2008.

As a highly rated participant, she won the crown and represented her island nation in the Miss Universe 2011 Pageant held in São Paulo, Brazil on 12 September 2011.

In 2008 the United Nations Association of Trinidad and Tobago (UNATT) asked both Walcott and Anya Ayoung-Chee to be spokeswomen for the group.