Jet is sending subliminal messages.
You see Hilary Duff and your mind subconsciously goes => Hillary Clinton
You've been warned they're brainwashing you WAKE UP!!!!
Actually I picked it due to the other way around... Creepy.
I'm not sure what I'm more surprised by, that you didn't know or that you know she has a sister, or the combination of the two.
Sadly it's not an interesting story; my roommate played their "our lips are sealed" music video countless times and loved them to death, so their likeness is always a short memory jog away.
I'm familiar with the song, it's pretty bad.