Denise Rich, is that you? Ramona Singer was in the hot seat on Watch What Happens Live With Andy Cohen as she failed to recall the names of several celebrities she’s appeared with on Bravo’s late-night show in the past.Andy Cohen and fellow guest Brad Goreski quizzed the 63-year-old Real Housewives of New York City star on the Thursday, July 30, episode of WWHL after she couldn’t recall Katharine McPhee or David Foster’s names on this week’s episode of RHONY.“You look a totally different