Photo: Bravo TV Real Housewives of Beverly Hills actress Kathy Hilton has no idea who Lizzo is, and it became apparent in an awkward moment on this week’s episode of Watch What Happens Live! During a game called “Will Kathy Know Them?” where Hilton has been pumped to identify numerous prominent personalities, the reality TV actress has proven she doesn’t know them at all. 63-year-old Hilton could not correctly recognize the images of Ryan Reynolds and Justin Timberlake. And earlier in Wednesday’s episode, she didn’t know who Melissa Etheridge was. Later in the game, an image of