Kristin Cavallari, partying with four girlfriends at Villa in West Hollywood. The giggly group was all drinking and mixing their own cocktails, though Cavallari's friends were more in the party spirit than she was. Still, she was still having fun, an onlooker says, as she whispered with her friends.
Laura Linney, sitting front row at the Betty Jackson fashion show as part of London's Fashion Week. But the actress – who attended with director Richard Eyre – wasn't just there for the frocks. According to a source, the runway show was also research for Linney's new film (also shooting in London) about the fashion industry.
Steve Sands / Bauer-Griffin
Ethan Hawke, walking his son, Levon, 6, in New York's Gramercy Park neighborhood. According to an onlooker, the actor, in track pants, looked to be a real doting dad, holding his son's hand and talking to him the whole time.
By SUZY BYRNE, MARK DAGOSTINO, ANDREA DESIMONE and COURTNEY RUBIN
Monday's Couples Watch >