Elsa Pataky and Chris Hemsworth are basking in family happiness ... cradling her baby sister with a joyful smile. In the caption, Cristian gushed about his overwhelming love for his second ...

When Pratt notices his fellow Chris munching on said banana moments later, he panics. "That's a $6.2 million banana!" he proclaims with a mischievous half-smile, and Hemsworth replies ...