[citation needed] She is of mixed Filipino, Chinese, and Korean descent,[1] and she has a twin sister, Jill Vidal, who also sings.

Vidal was born in Kowloon, Hong Kong, to a Filipino father and a mother of mixed Chinese and Korean descent.

She worked as a bar singer under the name Renee[2] and joined the 2000 New Talent Singing Awards as Ming Lok Tai (明樂蒂),[3] before adopting her current Chinese name, Wei Lan (衛蘭).

In December 2004, Vidal attracted media attention by covering one of Leon Lai's hits, "Long Distance" (情深說話未曾講), in English.

[citation needed] She soon followed it with a Christmas version of another Lai song, "Bu Ke Yi Shi" (不可一世), sung in Cantonese.