-- Malin Akerman and Maria Menounos hanging out at Carrera Escape at the Chateau Marmont in West Hollywood.
-- Countess LuAnn de Lesseps getting her hair styled by Eugene Davidoff at Michael Fredo Salon on NYC's Upper East Side.
VIDEO: Watch LuAnn struggle to hit a high note
-- Reality star and PR guru Jonathan Cheban shooting a billboard for Wodka Vodka's new campaign in NYC's Times Square.
-- Kelly Rowland partying with Destiny's Child group members Beyonce and Michelle Williams at a party for her latest album "Here I Am" for the Moet Rose Lounge in NYC.
PHOTOS: Destiny's Child back in the day!
-- Sophia Bush running the 5k at the San Francisco Marathon to benefit the Nature Conservancy (50% of her customized Water Bobble proceeds went to the cause).
-- Lisa Gastineau, Maria Menounos, Brittny Gastineau and Patti Stanger chatting at the Gastineau Glamour event in Malibu - the girls sampled the Keratin Complex dry shampoo and VnC cocktails).
-- Harry Potter's Tom Felton hanging out at Vertigo Sky Lounge at Chicago's Dana Hotel and Spa.
PHOTOS: Harry Potter stars, then and now
-- Cameron Diaz and Alex Rodriguez working out side-by-side on the Stairmaster while listening to their iPods at Equinox South Beach.
-- Karina Smirnoff hanging out with her mom at the launch of Gilt City Atlanta.
-- Dita Von Teese launching her latest namesake cocktail - the "Cointreau MargaDita" in Dallas.
-- Rose Byrne rocking out at W's Symmetry Live concert at W South Beach Hotel & Residences.
-- AnnaLynne McCord talking to her sister Angel at the Voli Light Vodka sponsored Somaly Mam Foundation event at the SLS Hotel in Beverly Hills.
VIDEO: 5 more reasons to watch 90210
-- Jessica Szohr listening on as Jesse Marco played a special birthday shout out from DJ Pauly D for AKR PR's Amanda Ruisi at Avenue in NYC.
-- Ashley and Mary-Kate Olsen taking sake shots with their friends at Yellowtail in the Bellagio before continuing the party at Gold Boutique Nightclub & Lounge at the Aria Hotel in Vegas.
NEWS: Check out Jerry Ferrara's amazing slimdown
-- Entourage star Jerry Ferrara trading in his real cigarettes for two boxes of South Beach Smoke electronic cigarettes in L.A.
-- The Office's B.J. Novak celebrating his birthday in the Hollywood Hills, sipping on TY KU Sake with Aziz Ansari and castmate Mindy Kaling.
Get more Us! Follow us on Twitter, Friend us on Facebook, Subscribe to Us Weekly
Selena Gomez, Zoe Saldana, and Maggie Gyllenhaal all get an F on this week's Fashion Offenders.
Joe Manganiello parties with new love Sofia Vergara and her family in Miami on today's Celebs Gone Social.
Get the scoop on Naya Rivera's wacky wedding on Replay hosted by Wonderwall's Kirby Kristen.
Cameron Diaz, Rumer Willis, and Ellie Goulding all get an F on this week's Fashion Offenders.
Find out which stars attended Jennifer Lopez's birthday celebration on today's Celebs Gone Social.
Let's check out some of Eva's tactics behind her baby bump secret on Replay hosted by Wonderwall's Kirby Kristen.
From Kim Kardashian to Paris Hilton, see which stars have the most expensive engagement bling.
See how Kesha's looks have changed since Rehab.
Take a look back at Mark Wahlberg's best shirtless looks over the years
© 2014 Microsoft