According to recent search results they are the most searched couple of Hollywood.
According to Google Insights which tracks and compares search results, Robert Pattinson and Kristen Stewart tops the list of most searched celebrity couples. What is astounding is no other couple even comes close to Robert and Kristen. The closest competitor to Rob and Kristen are Angelina Jolie and Brad Pitt, aka Brangelina. Zac Efron and Vanessa Hudgens are a distant third.
Source: Fanpop via @cupidscloud