What to do if my best friend and I are crushing on the same guy?

I’ve been friends with this girl since middle school and we now work together. There’s this guy who I’m sure all the girls like including me. Well I just learned she likes him too and the worst part is she is more open about it. She calls him cute in front of everyone and to his face. She even playfully flirts with him. He doesn’t really flirt back (maybe only when I’m not around) but is nonchalant. What am I supposed to do without this being awkward?

What to do if my best friend and I are crushing on the same guy?
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