Mia and Tia flash their headlights in Cars. There's no other way to say it: the twin Mazda Miatas who literally flash their headlights at Lightning McQueen (Owen Wilson) early in Cars are groupies ...

Tia Mowry sparked concerns about the state of her relationship with twin Tamera Mowry-Housley, but the Sister, Sister stars' bond remains intact. Here's how they've stayed close through the years.