Rob Lowe not only costars alongside Liv Tyler in '9-1-1: Lone Star,' but owes her dad, Steven Tyler, a huge debt of gratitude for a tough time in his life.

“reply and qrt with characters that match the letter i give you” i got c! Carlos Reyes from 9-1-1:Lone Star Clawdeen Wolf from Monster High (G3) Howard “Chimney” Han from 9-1-1 Catrine DeMew from Monster High https://t.co/lZcczRzGUR https://t.co/5KmV3jUd8x

starting 9-1-1 lone star because seth showed me a edit https://t.co/P46uUgmgO6