Poor Robert Pattinson, worrying about his figure. The former “Twilight” star admits that as he inches toward 30, he’s finding it trickier to stay in shape — and harder to hide that fact from prying eyes. “It used to be that I could start working out four weeks before a job and it would be totally fine. Now? Nothing happens,” he laments to the Times. RELATED:Kristen Stewart pretty miffed about Robert Pattinson’s engagement “What the f— is going on? I had to go on holiday to an extravagant secret location this year because I was afraid of someone photographing my gut.” Man, I hear ya. Except for the extravagant secret locations part. And the going on vacation part. But other than that, totes simpatico. RELATED:FKA Twigs is not at all pleased with this newfound press attention Also, Pattinson wants it to be known that there is at least one good part about global stardom: “I’m so glad about the vanity required in this job, because if I didn’t have to stay in shape I’d be such a fat-ass,” he admits. The honesty is refreshing, honestly. Follow Ned Ehrbar on Twitter: @nedrick