Matt Rutler and Christina Aguilera
03/07/2011 at 04:05 PM EST
Following her Tuesday arrest
for public intoxication, Christina Aguilera
and beau Matt Rutler
slipped out to L.A.'s Osteria Mozza
for a quiet dinner around 11 p.m. Friday. After eating, the couple realized photographers were outside waiting for them, so the singer called her bodyguard to come drive her car home, while she and Rutler, who was also arrested Tuesday on suspicion of DUI, discreetly took a limo.
The day after winning best actress at the NAACP Image Awards
, Halle Berry
enjoyed some quality time with boyfriend Olivier Martinez
. The two biked around Brentwood before stopping for lunch at Pizzicoto, where they enjoyed pasta and salad. "She looked very happy," an onlooker tells PEOPLE.
What's a girl to do before the Paris fashion shows? Shop, of course! Upon arriving in the City of Light, Nicole Richie
popped into some très chic boutiques, taking two friends to Celine and Isabel Marant in the St. Germain shopping district. Afterward, Richie settled into a window table at Café de L'Esplanade, where she nibbled on a club sandwich and sent a few Tweets
Chanel's new leading lady
, Gossip Girl
's Blake Lively
, also made a pit stop before attending shows in Paris, making a beeline for Café de Flore for a hot cup of coffee just after landing in France.
took a break from American Idol
duties Friday, meeting friends for dinner at the Chateau Marmont
around 9 p.m. The TV host – sans girlfriend Julianne Hough
– and his pals grabbed a table on the back patio, where they held court until about 11:30 p.m. "He was very gracious with everyone," a source tells PEOPLE, adding that he "was laughing a lot." After a couple of cocktails, he headed for home.
By PERNILLA CEDENHEIM, JENNIFER GARCIA and PETER MIKELBANK