Recognize the Reveler: Who's the Belle of the Ball?

Which Brit beauty is sporting some serious carats in her coiffure? Guess now!

Here's a Hint: This English rose is rocking some major bling on top of her brunette tresses as she heads to Elton John's White Tie and Tiara charity ball Thursday.

Her businessman hubby was her date for the big bash.

Think you know whose 'do is dripping in diamonds? Get the answer right here!