These days, athletes not only have to get their game face on during a match, but also on social media. Men's Fitness has compiled a list of the most-followed female athletes on the 'gram. Check them out below, and learn a few things about stepping up your social media game.

1. Ronda Rousey

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The MMA phenomenon and actor (she'll play the Patrick Swayze role in an upcoming remake of Road House, which is awesome) has a whopping 8 million followers on Instagram.

2. Nikki Bella

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One half of the Bella Twins of the WWE (alongside her sister, Brie), Nikki has 5 million followers and counting.

3. Serena Williams

Tennis legend Serena Williams has 4.8 million Instagram followers. It must be awkward when her sister Venus brings it up.

For the rest of the list, check out Men's Fitness.