Bianca Andreescu's remarkable Indian Wells run culminated with the wildcard beating three-time Grand Slam champion Angelique Kerber to secure the title.
The 18-year-old Canadian, ranked outside the top 150 at the start of the year, beat the German 6-4 3-6 6-4.
Kerber saved three match points on the Andreescu serve and broke back for 5-4 in the third set.
However, Andreescu produced a remarkable return game to win the biggest title of her young career.
Andreescu showed remarkable grit to fight back from a break down in the third set and put herself in front.