05/27/2010 at 05:00 PM EDT
Nothing – not even an alcohol-monitoring ankle bracelet
can keep Lindsay Lohan
out of the clubs. With her newly blonde hair,
the starlet hit up Las Palmas in L.A., sporting jeans and a fedora. Giggling and chain-smoking throughout the night, Lohan avoided alcohol and stood at the center of attention with her group of friends. Lohan also danced around her table, singing along to Britney Spears
songs during the spirited night out.
Dancing with the Stars
's Mark Ballas
, Cheryl Burke
and more stepped out to celebrate pro Edyta Sliwinska
's birthday with a bash on the terrace of XIV in L.A. Sliwinska sipped on an alcohol-free Yogen Früz smoothie during the low-key bash.
, rocking out at Janelle Monae
's concert on the rooftop of the W Hollywood alongside her fiancé Luke Worrall.
The starlet was joined by a who's who of Young Hollywood, including Jessica Lowndes
and Taryn Manning
. After the concert, 30 guests enjoyed a VIP dinner and champagne in a penthouse suite.
Another night out in Chicago,
another fun group dinner for the Glee
cast. This time, the bunch celebrated Chris Colfer
's 20th birthday at Hub51 with the restaurant's famous carrot cake, complete with sparklers and a "Happy Birthday" serenade. The group, which also included Mark Salling, Cory Monteith
and Amber Riley
dined on a bevy of dishes, including chicken nachos and sushi, before going downstairs to lounge Sub51 to finish their night.
By DAVID CAPLAN, JENNIFER GARCIA and JESSICA HERNDONThursday's Caught in the Act >