Real Housewives of Orange County Season 5 Thursday 2/25 @ 10/9c – Alexis’s mom down-to-earth, no frills mom comes to visit her daughter in the OC and she is not quite used to the glitz and glamour of Alexis’s life. The two have a good laugh over ladies lunch when they reflect on Alexis’s Missouri roots. Meanwhile, its Tamra’s birthday and her and Simon attempt a nice Birthday dinner in the midst of their marital problems. But when the subject of Vicki comes up, tension between the two brews. Will Simon’s stubborn ways ruin Tamra’s birthday?