Yeah. So don't try to act so innocent.

4 seconds sound clip from the Mean Girls (2004) movie soundboard.

You can hear this line at 01:16:18 in the Blu-ray version of the movie.

Quote context

[...]

- Janis! Janis! Janis! Janis!

- Regina! Regina, wait! I didn't mean for that to happen.

- To find out that everyone hates me? I don't care.

- Regina, please! Regina, stop!

- No! Do you know what everyone says about you? They say that you're a home-schooled jungle freak who's a less-hot version of me.

- Yeah. So don't try to act so innocent.

- You can take that fake apology and shove it right up your hairy...

- And that's how Regina George died. No, I'm totally kidding, but she did get hurt.

- Some girls say they saw her head go all the way around, but that's just a rumor.

- Some people swear they saw me push her in front of the bus. That was an even worse rumor.

[...]