It's not a royal wedding unless there's some brotherly love going around. Prince William, 35, stepped up for the role of best man for his younger brother Prince Harry, 33, as he prepares to marry Meghan Markle at Windsor Castle. (Harry did the same when William married Kate Middleton in 2011 at Westminister Abbey). Here, see all of the adorable moments the brothers slash best friends shared on Harry's big day.
Let's also not forget this sweet moment Meghan and William shared right after Prince Louis was born (Harry was clearly a little upset to share his brother):
Follow along here as we report on the royal wedding in real-time—from the dress to the tiara to Harry and Meghan's most adorable moments.