Katy Perry debuted the music video for her new song, "Part of Me," today, and we must say, it's totally about her ex, Russell Brand!
In the video, Katy catches her boyfriend cheating on her, dumps him and joins the Marines. Now, we all know Katy hasn't joined the Marines in real life, but we do have a feeling she's toughened up quite a bit since her heartbreaking split from Russell, who blamed their breakup on distance.
Not only does a short-haired Katy kick some serious butt in the video, but it looks like she had a great time shooting it. Even if she did ditch her cute, candy-covered outfits…
Check it out below and let us know what you think!