Working on her fitness! The petite blonde was spotted leaving the gym in Brentwood on Wednesday, carrying her monogrammed "RW" bag. Hmm, maybe she's cuter than Rachel Bilson? After all, we can't get over how adorable she looked in…

Aw, this is kinda cute… X17 photogs spotted The Hills starlet at Neil George Salon yesterday afternoon (and out shopping for shoes on Robertson later), and we asked Kristin Cavallari is anyone called her Kristin "Calamari" in high school….