showed off her growing baby bump
during an early evening shopping trip along L.A.'s Melrose Avenue. The singer stopped into the J. Gerard Design Studio and Peace Gallery with a blonde friend, where she picked up a black onesie with the slogan "Traumatized by Mediocrity" on it. "She looked incredibly happy and healthy," an onlooker says. "She was positively glowing."
There may have been a Dancing with the Stars elimination
– but the pros were still in the mood to party, heading over to Boudoir
in L.A. for the Doctrine Denim launch party. Derek Hough hosted the event, and hung close to friends who were visiting from England while Cheryl Burke
and Mark Ballas were also in the club. The group stayed well past 11:30, taking tequila shots and going wild. A witness even spied Burke and Ballas sharing a quick smooch.
was partying at ESPN the Magazine
's body issue bash at Skylight Soho in New York along with Estelle
and Adrienne Bailon
. The actor mingled with guests and enjoyed Skyy vodka cocktails before taking off.
First Lady Michelle Obama
enjoyed a late-night dinner with some female friends at Spiaggia in Chicago. The group kept things light – just ordering two courses and dessert, which they split, along with wine.
After the L.A. premiere of Jackass 3D
, the cast and crew celebrated with a raucous bash at the Hollywood Roosevelt Hotel
's Tropicana Bar. Johnny Knoxville
was super laid-back, hanging at his table with his wife
and daughter and snapping photos with fans. Bam Margera
was much more social, sipping whiskey on the rocks and introducing his mother around the party. Also there: Ke$ha
, who made the rounds in the VIP section.
By REAGAN ALEXANDER, JENNIFER GARCIA, KIM PEIFFER and JESSICA WEDEMEYER