Rihanna and Matt Kemp
Arnold Turner/FilmMagic; Edruvalcaba/LondonEnt/ Splash News Online
enjoyed a night out at L.A. nightspot Voyeur with new baseball player beau Matt Kemp
, who was especially doting, making sure she always had a drink in her hand. According to a fellow clubgoer, the two weren't afraid show a little affection, resting their hands on each other – and maybe best of all, they kept making each other laugh.
Another night, another sushi date! Miley Cyrus
and beau Liam Hemsworth
joined four friends for dinner at Katsuya Hollywood, running past the paparazzi to grab a large booth. According to an onlooker, the party looked "very excited" to be at dinner. Cyrus and her boyfriend cuddled in their booth, and the pop star ordered a non-alcoholic watermelon cucumber mojito with their meal. Meanwhile, the group dined on signature dishes like rock shrimp tempura and baked crap hand rolls.
In Las Vegas to celebrate her new Web site, ParisHilton.com, Paris Hilton
kicked off a weekend of festivities with dinner at Nobu alongside beau Doug Reinhardt
, followed by a visit to Vanity nightclub inside the Hard Rock Hotel and Casino, where they danced until 3 a.m. The heiress and Reinhardt were back at Vanity the next night for her site's official launch party. "They only have eyes for each other," a source tells us of the inseparable duo.
Mom-to-be Amy Adams
and fiancé Darren Le Gallo
joined another couple for cheeseburgers and fries at Melrose Bar and Grill in West Hollywood. The four snagged a back booth during their meal. "They were an attractive group," says an onlooker, "enjoying an early evening out in a casual neighborhood restaurant."
and longtime boyfriend Dax Shepard
were busy chatting up new Celebrity Apprentice
castmember Bret Michaels
at the NBC Universal Tour cocktail party at the Langham Huntington Hotel & Spa in Pasadena, Calif. "They were telling Bret how much they love Rock of Love
," a fellow partygoer says. "It was cute."
star Jessica Lowndes
and boyfriend Aaron Paul
were very affectionate during a dinner at TAO in Las Vegas, snuggling up to each other during their meal. The two enjoyed the entire weekend in Sin City – and stepped out for dinner the next night at Lavo, where they shared the restaurant's signature Kobe meatball in their secluded booth.
By DAVID CAPLAN, JENNIFER GARCIA, MAUREEN HARRINGTON, LINDA MARX and LESLEY MESSER