On-Set Hookups: Fauxmance or Romance?

Jen & Gerard! Maks & Erin! Rob & Kristen! Are these duos really together or really good at faking it? Tell us who you think loves each other – and who loves good press

DEMI LOVATO & JOE JONAS

"When you're in love, you want the world to know," Lovato said while coming clean about her romance with her Camp Rock 2 costar.