In the photo, The Hills starlet shows off her skinny body in shorts and a printed tank top.
“Girls night!! Yes at 6pm haha,” Kristin tweeted with the photo. Hey, moms need to party too, even if that means partying before sundown.
The 25-year-old star gave birth to her first child on August 1. That means that in roughly four weeks, KCav went from recovering mama to slim hottie. Grr, now we know why Lauren Conrad was jealous of her all the time!