Villonco's singing career began when she was only nine years old, prodded by her grandmother, showbiz industry crusader and former MTRCB chief Armida Siguion-Reyna.
On November 7, 2001, Blanca was found murdered, beaten and stabbed 13 times in the back seat of her Nissan Sentra in the parking lot of Atlanta Centre in Greenhills, San Juan, Metro Manila where she worked for MTRCB.