Cameron Diaz and Alex Rodriguez
Pacific Coast News; James Ambler/Splash News Online
New couple alert? Alex Rodriguez
was in town with the New York Yankees to take on the Boston Red Sox, but the baseball star spent his off-hours nesting in a luxury suite at the Liberty Hotel with Cameron Diaz
. "They arrived in Boston together via private jet and were whisked to the hotel," an eyewitness tells PEOPLE. The duo spent most of their time in their rooftop suite, not even emerging for meals. Instead, they shared lots of room service and "had an incredible time together," the source says.
and husband Jordan Bratman
, sipping cocktails with pals at Provocateur, a new New York club. The two stayed late into the night, while a few tables away, Maroon 5 frontman Adam Levine
cozied up to his new girlfriend Anne Vyalitsyna
After her critically acclaimed
turn as SNL
host, Betty White
celebrated into the early-morning at New York's Docks Oyster Bar & Seafood Grill with Tina Fey
, Amy Poehler
and other castmates. The 88-year-old arrived to a standing ovation, then snacked on fish and chips and other seafood at her reserved table. "She wasn't crazy drinking or dancing but she was relaxed at her table and spoke to the entire cast, took pictures, joked around and ate," the restaurant's manager tells us.
paid a surprise visit to New York's Quo nightclub for a guys' night out. "He was quickly recognized and was cheered onto the stage by the crowd," a clubgoer tells us, "and he then performed."
By DAVID CAPLAN, PAUL CHI and LINDA MARXKaty Perry Celebrates Her New Single with Red Velvet Cake >