Jessica Simpson, Reese Witherspoon, Jessie James Decker & More -- See This Week's Best Celebrity TwitPics!
This Week's Best Celebrity TwitPics

This week, Jessica Simpson flashes her booty in honor of hubby Eric Johnson's birthday, Reese Witherspoon shares the sweetest throwback photo from when she was just a little girl and Jessie James Decker gets ready to watch hubby Eric Decker on game day with son Eric Decker II!

And, Kourtney Kardashian soaks up the sun on vacation with a mystery man, Mariah Carey spends some one-on-one time with her adorable 5-year-old son Moroccan and Peta Murgatroyd shows off her growing baby bump in a gorgeous new photo.

Plus, Lisa Vanderpump and her adorable pup Giggy visit Capital Hill, Katie Holmes hits up New York Fashion Week with Zac Posen and Britney Spears shows off her toned and tanned bod while nearly doing the splits in the air!

Click "Launch Gallery" above to see these stars' personal pics and even more celeb candids in this week's best celebrity TwitPics!