Shannen Doherty's rebirth into the spotlight is cause for celebration, no doubt. Couple that with an appearance on the cover of Radar's October issue, and the only kind of fête to do it justice is an event tomorrow night at a WWII-inspired, spelling impaired Flatiron bar, Catch-22. And judging by the tiny logos on the bottom of the invite, suds are courtesy of Blue Moon, vodka by Tito's. David Barton Gym is hosting the event, and are deploying their personal trainers to make sure each beer is accompanied by 1,000 crunches. For a whiff of Ms. Doherty's hair and a brand new six-pack, rsvp to . Party runs 8-10 p.m.