-- Maria Menounos customizing her own Hanky Panky thongs at the Rue La La cabana at an event for Marie Claire magazine at the Loews Miami Beach.
-- Mariska Hargitay, Kelly Rutherford and Isaac Mizrahi chatting together at the Good Shepherd Services Spring Party at NYC's Highline Studios.
-- Zelda Williams, Shiloh Fernandez and Michael Trevino hanging out at the Grand Opening of Cafe Entourage in Hollywood.
PHOTOS: Naughty star appetites
-- Biggest Loser host Alison Sweeney putting on an iRenew energy bracelet before a yoga session at Self's workout in the park event in San Francisco.
-- Karina Smirnoff wearing ShowStoppers Fashion Tape during a taping of Dancing With the Stars in L.A.
-- Cory Monteith picking up all the Vancouver Canucks gear he could find at the NHL Powered by Reebok store in NYC.
-- Selita Ebanks getting a Lover Coppelia lace bodice shirt and a Tucker dotted pleated skirt at 25 Park boutique in NYC.
-- Ellen Pompeo and husband Chris Ivery sipping Belvedere cocktails at the Mary J. Blige FFAWN charity concert in NYC.
-- AnnaLynne McCord enjoying a catfish po'boy and an iced tea at Brother Jimmy's 8th Avenue in NYC.
-- Kristin Cavallari showing off her engagement ring while drinking a Skinny Water in L.A.
-- Eva Longoria getting her hair done by Ricardo Rojas and makeup by Jasen Kaplan before heading to the Tassimo Cafe opening in NYC.
VOTE: Which hair is best?
-- Diddy and his infamous Dirty Money Girls performing at the House of Blues at Showboat Atlantic City.
-- Gossip Girl's Matthew Settle and a male friend drinking dirty Grey Goose martinis at the bar at Stone Rose Lounge in NYC.
-- DC Cupcakes' Sophie LaMontagne chatting with costar Katherine Kallinis at Animalfair.com's White House Pet Correspondents Benefit, hosted by Wendy Diamond and her dog Lucky in Washington D.C.
-- Montreal-based alt-rock collective Arcade Fire talking to fans in the lobby of The James Chicago.
-- Fergie and Gisele Bundchen dancing near each other at Harry Josh and Nur Kahn's annual Spring Fling party at Hiro Ballroom in The Maritime Hotel in NYC.
-- Alyssa Milano, Michelle Trachtenberg and David Arquette having fun at the launch of WWE & Creative Coalition's "be a STAR" alliance at the D.C. Club in Washington, D.C.
-- Sean Penn having a cigar with politicians in the Johnnie Walker tent of MSNBC's White House Correspondents after party at the Italian Embassy in Washington, D.C.
PHOTOS: Celebs at the White House Correspondents Dinner
-- Selita Ebanks grabbing drinks with Wilmer Valderrama at The Darby downstairs in NYC.
-- Jack McBrayer passing out Crumbs cupcakes to guests of Capitol File magazine's WHCAD after party with the Creative Coalition and Bing in Washington, D.C.
-- Lance Bass celebrating his birthday party with a group of friends at the Mondrian Hotel in Miami Beach.
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