Zac Efron, you're looking a little different these days.
The actor showed his support for the Orlando shooting victims in a touching Instagram photo — but fans couldn't help but notice his, uh, plump pout.
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To see the startling difference, here's a side-by-side of Zac at a press event just last month compared with yesterday's Instagram post.
Zac in May 2016 (Left) vs. Zac yesterday on Instagram (Right). (Photo Credit: Getty Images)
In the comments section, a few fans are speculating that the actor received fillers, but he hasn't admitted to getting plastic surgery.
What do you think — plastic surgery or just bad camera lighting?