Victoria Anne Theresa Peterson Cowsill is an American rock musician and songwriter. She has been the lead guitarist for the Bangles since their foundation in 1981. After their first disbandment in 1989, she has returned to the band for all subsequent reunions. In intervening years, she has performed with other artists, most extensively with the Continental Drifters.

The Bangles are an American all-female pop rock band formed in Los Angeles, California, in 1981. The band recorded several singles that reached the U.S. top 10 during the 1980s, including "Walk Like an Egyptian" (1986), "Manic Monday" (1986), "Hazy Shade of Winter" (1987), "In Your Room" (1988), and "Eternal Flame" (1989).