Malibu singer is set to kick off her North American tour for 'Breakthrough.'
When Colbie Caillat sings on her new album about being fearless, you figure she's speaking in relative terms. After all, this 24-year-old artist from Malibu has ascended to the ranks of pop's top-selling stars thanks to a series of hit singles that virtually define the absence of creative risk: "Bubbly," "Realize," "The Little Th...