In case you were wondering what the old “Beverly Hills, 90210″ gang is up to, Jason Priestly posted this Twitpic of his Kelly Taylor sandwich. “With my old friends at our Old Navy shoot …” he tweeted, without the slightest acknowledgement of Luke Perry’s untoward hand placement. Well, I guess Jennie Garth is single now. Those two can play cup the boob if they want to. But how awkward for Jason.