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Who Are Erin and Sarah Foster?

POPSUGAR / paid for by / Banana Republic

Meet Sara and Erin Foster, the kickass sisters you'll wish were your BFFs — aka your new style muses and girl crushes! The daughters of music royal David Foster have carved their own paths to success while continuously inspiring women along the way. Not only are Sara and Erin established writers, actresses, and producers, but they're also the heads of creative for Bumble. Watch above as these two discuss style, successes, family, and why none of it matters if they don't have each other's support.

We've partnered with Banana Republic to show how female entrepreneurs are pushing boundaries — in the most stylish way possible.