1 Alissa White-Gluz
Alissa White-Gluz is a Canadian vocalist, best known as the former lead vocalist and one of the founding members of the Canadian metal band, The Agonist, and current lead vocalist for the Swedish melodic death metal group, Arch Enemy.
Queen and Goddess of Metal.
2 Darby Mills
Darby Phyllis Mills is a Canadian rock vocalist, former figure skater; known best as the lead singer of the Headpins.
3 Alannah Myles
Alannah Myles is a Canadian singer-songwriter and the daughter of Canadian broadcast pioneer William Douglas Byles, who was inducted into the Canadian Association of Broadcasters' Hall of Fame in 1997.
4 Kobra Paige
Kobra Paige is a Canadian singer and songwriter. She is the founder, lead singer, and songwriter for the hard rock and metal band Kobra and the Lotus. She is also a guest vocalist for Kamelot and Metal All Stars.
5 Justine "Juice" Éthier
Drummer for melodic death metal bands Blackguard and Karkaos. - Metal_Treasure
6 Lee Aaron
Lee Aaron is a Canadian rock and jazz singer. She had several hits in the 1980s and early 1990s such as "Metal Queen", "Whatcha Do to My Body" and "Sex with Love".
7 Sonia Pineault
Sonia Pineault is the lead singer for Canadian metal band Forgotten Tales (symphonic power metal). Forgotten Tales was founded in 1999 in Quebec City.
8 Morgan Lander
Singer and guitarist for metal band Kittie (heavy metal, death metal, alternative metal, nu metal). Her sister is the drummer. - Metal_Treasure
9 Bif Naked
There's other pretty girls on this list but if this is about ROCK, Bif delivers the beauty and the metal brawn like no other! - Xean45
10 Avril Lavigne
Avril Ramona Lavigne is a Canadian–French singer-songwriter and actress. By the age of 15, she had appeared on stage with Shania Twain; by 16, she had signed a two-album recording contract with Arista Records worth more than $2 million.
Not a typical rocker but still. She even sang Metallica's Fuel live at 14 or 15.
Youtube: Avril Lavigne - Fuel (Metallica Cover) LIVE MTV - Metal_Treasure
11 Mercedes Lander
Drummer for metal band Kittie (heavy metal, death metal, alternative metal, nu metal). - Metal_Treasure
Chibi is a Canadian musician, songwriter and producer, mostly known for being the lead singer of the band The Birthday Massacre.
Lead singer of The Birthday Massacre. Not all of their songs are rock, but most are very dark and hard. - Martin_Canine