Keith Urban and Nicole Kidman
10/29/2009 at 02:00 PM EDT
and Keith Urban
had a rock 'n' roll date night at the KISS
concert at Nashville's Sommet Center. The celebrity couple pulled up to the backstage entrance, sneaking into the show under the radar. But once inside, they rocked out and "were adorable, smiling and totally low-key," an onlooker tells us.
After spending his day off from Hamlet
in New York's Central Park with his family, Jude Law
ventured back to Broadway – as an audience member. The actor took son Rafferty, 13, daughter Iris, 9, and son Rudy, 7, to see Mary Poppins
at the New Amsterdam Theatre, then popped backstage for a quick tour of the set and to say hello to the star, Laura Michelle Kelly.
Lauren "Lo" Bosworth
left the Hills
behind for the desert, where she partied at the Verizon Wireless Samsung Rogue launch party at Las Vegas's Jet Nightclub. The reality star held court at a VIP table with her girlfriends, of course, sipped drinks and even posed for pictures with fans. According to a party guest, Bosworth was mingling with guests all night long and enjoyed music provided by Boys Like Girls' Martin Johnson and Cobra Starship's Gabe Saporta, who each deejayed a set.
, leaving a $400 tip after receiving free drinks all night while partying with friends at Pacific Time in Miami. The singer's drink of choice? Espresso martinis!
and comedian pal Todd Barry
shared a meal and some uproarious laughs at The Smith restaurant in New York's East Village. Silverman kept it healthy, ordering a shaved pumpkin salad and cauliflower gratin. The duo also skipped dessert – but they did receive one of the restaurant's T-shirts as a gift before leaving.
JENNIFER GARCIA, LINDA MARX and LEAH ROZENThursday's Caught in the Act >