It’s no secret that Hollywood romances are sometimes a flash in the pan- and that seems to be the case with Bradley Cooper and Zoe Saldana .

With her new movie “The Hunger Games” storming into theaters in the grandest of fashion, Jennifer Lawrence continues to pile on promotions by taking over the cover of the April 12, 2012 issue of Rolling Stone . The 21-year-old actress looked desert sexy in a sleeveless white top and jeans for the Theo Wenner shot front page with the accompanying column including comments from Jen’s co-stars Woody Harrelson and Josh Hutcherson

She’s always up for a good time, and last night (March 19) Jessica Simpson was spotted at the “Jimmy Kimmel Live” studios in Hollywood.

Making the most of her Monday evening, Rihanna was spotted having dinner in Beverly Hills last night (March 19). The “We Found Love” songstress donned a grey jacket overtop a black ensemble with white accents as she strolled into the Montage Hotel for some delicious eats. As for the constant rumors that she and Katy Perry would be collaborating on a song, Ri-Ri shared the status of the project in a recent interview

Trying to avoid the paparazzi, Gwyneth Paltrow wa spotted heading into 34 restaurant in London, England on Monday night (March 19). The best-selling author looked warm and cozy on her English evening out while wearing a suede coat, black ankle boots and topping it all off with a big white scarf.

Taking her talents to Tokyo, “The Girl with the Dragon Tattoo” star Rooney Mara debuted the Oscar-nominated project in Japan on Monday (January 30).

Fresh off of a night of honoring their field’s top performers of the past year, the stars of Tinseltown continued their revelry with a swany private party at Chateau Marmont in Los Angeles, California on Sunday (January 29). The Weinstein Company And Dewars hosted affair saw fellow Best Actress nominees Michelle Williams and Berenice Bejo join arm-in-arm for a few photos while Missi Pyle got chummy with “Memento” hunk Guy Pearce

She’s always been easy on the eyes, and Keira Knightley is stunning once again on the cover of British GQ magazine’s March 2012 issue. The “A Dangerous Method” starlet works her magic for the camera in the cover shot, sporting a flirty grey sweater dress and cropped coif.

Enjoying a much-deserved day off, Alessandra Ambrosio was spotted out and about in Malibu, California yesterday afternoon (January 29). The Victoria’s Secret stunner was joined by her hubby Jamie Mazur and their three-year-old daughter Anja as she meandered around the picturesque town. Looking to satisfy her pregnant sweet tooth, Alessandra elected to drop into a local ice cream parlor where they all indulged in some frozen confections.

Making the most of her Sunday afternoon, Sandra Bullock was spotted at a private party in Los Angeles yesterday (January 29). The “While You Were Sleeping” actress looked to be in good spirits as she chatted with a mystery male. According to an eyewitness they arrived and left together in his Porsche.