Celebrity Twitter Chatter: Britney Spears Shows Off Her Undies, Grant Gustin Sends Birthday Wishes and More

Britney Spears' Bikini Bod
See Brit rock a bikini in Hawaii!
We’ve rounded up some of the best and most insightful celebrity tweets from the past 24 hours.

Britney Spears gets intimate, Grant Gustin’s birthday shout out, plus more fascinating celebrity Twitter posts and words of wisdom below.