Lauren CONRAD partied the WEEKEND away!

Sources say Lauren Conrad was spotted hanging with her Hills crew - plus boyfriend Kyle Howard - at West Hollywood's Crown Bar over the weekend.The reality star grabbed a table with Lauren "Lo" Bosworth, Frankie Delgado and Doug Reinhardt, who was getting cozy with Amanda Bynes. Seriously.Eventually, Lauren Conrad and her group moved to the dance floor, forming a circle, while Kyle Howard headed outside to chat with some guy friends.Though seldom seen together by celebrity gossip photographers, The Hills' Lauren Conrad and My Boys' Kyle Howard are still an affectionate item.When Howard returned and Conrad finished dancing to classic songs like Madonna's "Holiday," the duo reunited, sitting very close, smiling and talking.Also at Crown Bar were Heroes star Hayden Panettiere, who made a brief appearance but mostly was interested in texting people on her phone, 90210 actress AnnaLynne McCord, plus rocker twins Joel and Benji Madden.