By Jennifer Davis
Updated Jul 22, 2013 @ 12:00 pm
Kate Middleton
Credit: Chris Jackson - WPA Pool/Getty

The Royal Baby is officially on its way! With news breaking early this morning, the stars and royal watchers alike took to Twitter to tweet their excitement in 140 characters or less, quickly making "Kate Middleton" and "Royal Baby" rise to the top of the trending list. Scroll down to see Tweets from Olivia Wilde, Rashida Jones, What Kate Wore, and more.

Plus, see Kate’s best outfits ever!