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Erin and Sara Foster Style

How the Foster Sisters Combine Style and Substance — With a Big Dose of Humor

Erin and Sara Foster have made a name for themselves in Hollywood. We've partnered with Banana Republic to share their secrets as successful female entrepreneurs. Thanks to them, you'll be empowered to push boundaries, too.

Erin and Sara Foster have everything that comes with being Hollywood insiders. Think: killer wardrobes, television success, and a roster of A-list BFFs. But while they are the daughters of music royalty David Foster — and have family connections to some of your favorite famous faces — Erin and Sara have carved out their own path to success. They've made names for themselves as established writers, actresses, and producers, and through their scripted comedy show Barely Famous.

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If you don't already follow Erin and Sara Foster on Instagram, stop everything and go follow them. We'll wait. They provide an unfiltered look inside Hollywood. You'll see them hanging with their famous friends or working on a television script in their sweats. They're almost always together, and they'll definitely make you laugh. Now, they’re heading into a new territory as the Heads of Creative for Bumble BFF and Bumble Bizz, the friendship and networking arms of the popular dating app. Bumble BFF and Bumble Bizz help women leverage the power of female connections, something the Foster sisters know all about.

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As creative businesswomen, Erin and Sara combine hard work with authenticity and a big dose of humor. This realness translates to their wardrobes. "I do think that the professional outfit has evolved," Erin says, "and you can be much more casual at work, which is great." For Sara, this effortless, professional style is also more attractive: "You used to associate the working woman with the super unchic pantsuit. Now, I think the working woman is the most stylish." In both their work and personal lives, Erin and Sara keep things effortless, too. "I never thought about it, but I guess I wear a ton of sweaters," Erin points out, explaining that she stays true to what makes her feel good. "I'm inspired by people who have authentic style and don’t just follow trends. If you feel yourself and wear something with confidence, even the most classic sweater can start to seem cool and fashionable."

Sara, a mom of two, admits she has less time to focus on fashion since becoming a parent. "Half the time I am so exhausted from a crappy night's sleep that I literally just grab the first thing I see in my closet," Sara tells us. More often than not, it's the last thing washed, so it's crucial Sara has clothes she loves in a steady rotation. "You don't have to spend a lot of money to look put together," she believes. "But it's important to present yourself like you care. When I dress disheveled, I give off that I'm disheveled in life. At least that’s how I feel." You can easily make a look more sophisticated by tucking in a sweater, draping a coat over your shoulders, or wearing statement shoes, like they do.

Since Erin and Sara know each other better than anyone else, we asked them to describe each other's style. "Erin is kind of nerdy chic. A lot of prints, sweaters, and flat boots," Sara sums up. And here's what Erin has to say about Sara's look: "She likes vintage, conservative pieces paired with modern, edgier things. Everything looks good on her, so she can wear whatever she wants." One thing they both have in common? They dress for themselves. "When you wear something for other people instead of yourself, you won't even enjoy it," Erin believes. Sara agrees: "I won't wear something if it isn't comfortable. No chance."

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Their enviable Instagram feeds may initially catch your eye, but behind their stylish appearances you'll find two sisters who are unique and true to themselves. She and Erin are leading by example, teaming up to put in hard work and push boundaries as their strong and authentic selves. "As women, we fear being thought of as a b*tch if we fight for what we deserve, but when men do it, they are just considered tough businessmen. We need to change that," Sara says.

"We created a role at Bumble that didn't exist before," Erin adds, noting that people in past generations weren't given the chance to do that. Instead, you had to commit to clear professional tracks early in life. "Now people are getting married later and people are learning who they are later. They're also getting settled into their careers later," she says, "You get to live the life that you want more now instead of the life that you're told to live by your parents."

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Working together helps Erin and Sara accomplish their own career goals. Because they have each other to bounce ideas off of, there is always a chance for that idea to improve. "You can stew on things alone for a long time, not knowing if they're good ideas or worthwhile," Erin says. "When you have a partner who can give their opinion, you can keep pushing forward."

Sara agrees that two people are more powerful than one. "I would not be where I am in my career without the partnership of my sister," she admits. "We have different strengths and weaknesses, and that combined has proven successful for us. I don't think that means people can't be successful on their own, but there is almost always a team behind one person's success — you just don't hear about them." According to Sara, it's the dream to be able to go to work with your family. "If we're honest, we don't all love the people we work with," she explains. "When you're sisters and you're working together, that's off the table."

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"Being two of us, we don't let the other slack off and forget things," Erin explains. She's proud of what she and Sara have built: "Sara and I have organically taken our sisterly banter and turned it into this snarky, competitive sister brand. I hate when people refer to their 'brand,' but I can't think of another word," she quips. "While it's totally authentic and real, at the end of the day, Sara and I are really close and extremely supportive of one another."

For Erin and Sara, life isn't always doing bits or being hard on each other, as their Instagram stories may have you believe. Erin elaborates: "We are unconditionally supportive of one another and would kill anyone who spoke out against the other. Sometimes strangers will DM me saying something negative about Sara as a way of bonding with me, and it feels really weird. No one can talk sh*t about Sara except for me, ya know?" As loyal sisters, we're confident they will keep pushing all the boundaries.

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