Sequel to Just Friends?

"Let's make a promise. No matter what, we'll always be best friends." "And we've got each other's back, to infinity." I hold out my pinky. She locks her's with mine. "And beyond." A story about a famous boy and a reckless girl who remember that they've still got a promise to keep.

Cameron has a girlfriend. Ava doesn't have a boyfriend. She's has a major crush on Cameron and Cameron has a crush on her. What happens when Ava gets a boyfriend and Cameron get jealous? What will he do?