was unwinding with a Belvedere dirty martini over dinner at Boston's Red Lantern restaurant. The actress, who next stars in Friends with Benefits
with Justin Timberlake
, is in town filming her new movie, Ted
, and she stepped out for the meal with an assistant, a makeup artist and two pals. "She was in a great mood, having fun with her friends," an onlooker tells us. "There was lots of laughing and chatting."
performed with the band Check in the Dark
at L.A.'s Troubadour – and she got some starry support from CW pals Michelle Trachtenberg
star Aly Michalka
. The crowd went crazy when they saw the ladies, and many concertgoers tried to snap pictures. Meester also got lots of love from the crowd (which also included her father) and a special shout-out from her friends, who yelled, "I love you, Leighton," in unison.
The Social Network
's Jesse Eisenberg
stopped into New York's Morimoto restaurant with a pal – and each ordered the $125 Omakase
(chef's tasting menu). The two washed their meal down with a sake flight.
Newly-minted X Factor judge Paula Abdul
did some browsing at Henri Bendel in N.Y.C. recently. "She looked great," an onlooker says. "She looked like a tiny doll in very high heels." According to the onlooker, Abdul seemed to be in a "good mood" as she browsed.
By KRISTIN BOEHM, PAUL CHI and DAHVI SHIRA