Stay classy, American paddock honeys

What’s going on inside the heads of these two grid girls, snapped at a recent American Le Mans Series event in Utah? Could it be any of these:

a) “I endorse Kumho tyres because they offer superior grip.”

b) “This is just something I’m doing before my acting career kicks in.”

c) “I’m skinnier than that bitch.”

d) “…” (Translation: Nothing, absolutely nothing.)

Answers please…