Beyoncé & Jay-Z Photo by: Axelle / Bauer-Griffin
Beyoncé & Jay-Z's Miami PDA | Beyonce Knowles
It was a romantic scene not seen often: Beyoncé and Jay-Z dancing cheek-to-cheek. The couple, who prefer to remain mum about the state of their relationship, recently hit Miami nightclub Mansion where they danced to salsa music around the hot spot's VIP section. "They looked really happy together," a witness told us. "The room was packed but it was like they blocked everyone out and only focused on each other." Ah, sweet love.

When they weren't tripping the light fantastic together, the Grammy winners hung out with Destiny's Child bandmate Kelly Rowland and Serena Williams. The group shared a bottle of Dom Perignon and 42 Below vodka before leaving at around 3 a.m.

Out of Africa
Fever Pitch star Jimmy Fallon traveled far from Fenway Park to join the ranks of the FOCD – Friends of Cameron Diaz – who've trekked across the world with the actress on her eco-conscious MTV travel show Trippin'. The comedian journeyed to Tanzania with Cameron and crew, an experience that, he says, "changed my life."

Fallon got up-close-and-personal with a lion when the group helped a veterinarian attach a tracking device to it. "I was moving her tongue so that she wouldn't bite it," he says. Other highlights of his African adventure included "putting a water tower in a town where normally a woman would have to walk two hours to get a bucket of water and walk two hours back."

The former Saturday Night Live player also used his comedic talents on the local children. "There were, like, 150 kids and they were just smiling and laughing. I was being a monster and chasing them through the jungle," he says. And the man known for his impressions of Adam Sandler and Mick Jagger was mistaken for Cameron's main man. "They thought I was Justin Timberlake," he says. "I just went for it."

Caught in the Act
Lindsay Lohan, dining with a group of girlfriends at New York City's super-pricey Megu.

Kid Rock, strolling through the Hollywood and Highland shopping complex.

American Idol finalist Constantine Maroulis, enjoying his newfound fame at West Hollywood club Prey. The aspiring rock star hung out with two women (one brunette, one blonde) and by night's end was seen canoodling with his fair-haired lady friend.

• JON WARECH, AMY LONGSDORF, MARK DAGOSTINO, PRIYA MOHAN and MARISA LAUDADIO