Young Love in Bloom: Which Hollywood Couples Are Heating Up and Closer Than Ever–and Who’s Cooling Off

If you had asked us this time last year if we thought we’d be including Justin Bieber and Selena Gomez on an upcoming list of Hollywood’s hottest young couples, we would have politely asked you in return, “What year, exactly, do you think this is?”

But what a difference five months makes, let alone a whole year—especially when it comes to young love.

Not only are Jelena fans ‘shipping like it’s 2012 again, but we’ve got new relationships, reunions, milestones, engagements and babies to discuss this time around. So without further adieu…