This week's Trends: tornadoes, weddings, and saxophones

Each weekday, we at YouTube Trends take a look at the most interesting videos and cultural phenomena on YouTube as they develop. We want take a moment to highlight some of what we've come across this week:

• We saw incredible and dramatic footage from tornadoes this week in Alabama and Missouri.
  
  
• We looked back at the 10 most watched NBA highlights from the 2010-2011 season on YouTube.
  
  
• We discovered three little girls you would NOT want to pick a fight with who had trending videos.
  
  
• We asked if George Michael's "Careless Whisper" has become the cover song of the month.
  
  
• On the day of the Royal Wedding, we looked back at 10 popular Romance and Wedding videos from the month of April.
  
  
• And we asked how one duo's switch to hip-hop covers helped make their videos some of the most shared this month:

Check back every day for the latest about what's trending on YouTube at: www.YouTube.com/Trends