Hailey Bieber just made headlines for selling her beauty brand Rhode with a valuation of $1 billion, which is reminiscent of the $1.2 billion valuation Kylie Jenner got for Kylie Cosmetics back in 2019. But who ACTUALLY got the better deal? In this video, Tara breaks down the math of how a company's valuation is calculated, and leaves it to you to decide who is ultimately the savvier entrepreneur.