-- Adrian Grenier hanging out with Guns N' Roses rocker Axl Rose and sipping on Remy Martin V at Baoli in Miami.

-- Jillian Michaels helping to unveil The SodaStream Cage Exhibit: "Unbottle America" in Chicago.

-- Tom Hanks and Rita Wilson watching their son Chet Haze give a private performance of his song "Hollywood" from Nima Yamini's table at Greenhouse in NYC.

-- AnnaLynne McCord hosting a pre-engagement beauty bash for her sister Angel and stylist Mika Fowler at Gavert Atelier Hair Salon in Beverly Hills.

VIDEO: AnnaLynne McCord's costar spills 90210's biggest secrets

-- Prince Harry talking to a bevy of Brazilian beauties while drinking Leblon Caipirinhas in Rio de Janeiro.

-- Model Angela Martini hanging at a table with friends during the Peggy Siegal Company party for Jeff, Who Lives At Home, sponsored by The Hollywood Reporter and Fiji Water at Sons Of Essex in NYC.

-- Celebrity caterer Andrea Correale surprising Mob Wives star Ramona Rizzo with a birthday cake at Long Island's Sugar Dining Den & Social Club.

-- Rihanna hanging with Wale as DJ Phresh spun at Avenue in NYC.

-- Bethenny Frankel drinking her new Skinny Girl Vodka during date night with hubby Jason Hoppy at Bowlmore Lanes in NYC.

VIDEO: Bethenny Frankel jokes about snorting diet pills

-- Jonah Hill cracking up fellow comedians Jason Segel and Andy Sandberg during the SNL after party at Primehouse in NYC.

-- Jennifer Aniston and Justin Theroux stopping by Bowery Coffee for a java fix in NYC.

-- Brittany Snow celebrating her birthday with friends at Sherbourne in L.A.

-- Chris O'Donnell nabbing some hot dogs during the Windy City West culinary event at M Street Kitchen in Santa Monica, Calif.

-- Josie Loren having lunch at Fuku Buger in Hollywood.

-- Ewan McGregor and Minnie Driver spotted having cocktails with friends at Scarpetta in Beverly Hills.

-- Avril Lavigne having drinks with a group of her guy friends at Rock & Reilly's.

-- Justin Timberlake -- currently filming in Trouble with the Curve -- enjoying some southern fried chicken while at a dinner with friends at South City Kitchen in Atlanta.

PHOTOS: How Justin Timberlake and Jessia Biel fell in love

-- Jesse Metcalfe playing poker at the launch of the World Poker Tour Foundation Playing for a Better World charity event at the SLS Hotel in L.A.

-- Diddy enjoying a manicure and pedicure with his adorable daughter at Bliss Spa in Miami, Florida.

-- Bestselling author Emily Giffin introducing her new book, Where We Belong, at a cocktail party at Petrossian in NYC.

Get more Us! Follow us on Twitter, Friend us on Facebook, Subscribe to Us Weekly