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Britney Spears

IXOLA/AKM-GSI

What's with the face, Britney Spears?!

The Princess of Pop was caught by shutterbugs while in mid-facial expression after enjoying her son Jayden's soccer game today, and, well, it was a very awkward snapshot.

It also sparked the question of what was going on when paparazzi snapped the picture—Was she annoyed and yelling at the cameras? Was she getting super into cheering on her boy? Was she just singing really loud?

Fortunately, you don't have to go to bed tonight with this question lingering in your mind, because we have the answer! Britney Spears was...yawning! (Seriously, the funniest pictures happen mid-yawn.)

It's no wonder Brit is tired. After all, aside from mommy duties, Spears has been busy promoting her recording, shooting and promoting her new music.

Just recently, Spears starting filming the "Pretty Girls" music video with Iggy Azalea. The duo were photographed riding in a bright orange Jeep. "They were having a really good time and seem to get along really well," a source told us Thursday. Iggy was also spotted holding a pink hairdryer.

Spears posted a pic of her driving the Jeep with a caption, "Girls roll up, windows roll down, eyes on us, jaws on the ground," which could allude to a line from the song."

On top of that, the pair are preparing for a highly anticipated performance at The Billboard Music Awards next month!