Jessica Simpson loves her concert tee’s! The blond beauty was snapped wearing a Willie Nelson tee as she left her Ritz Carlton hotel in NYC.

Katy Perry, looking super cute in relaxed duds, makes media rounds in London to promote her new single, ‘California Gurls’.

‘American Idiot’ Billie Joe Armstrong of Green Day was spotted leaving his Dublin hotel.

X Factor winner, Alexandra Burke gets down in some Daisy Dukes while filming her latest music video in Los Angeles.

Beauty and brains! Ivanka Trump poses in Manhattan.

He’s ready for his close-up! Conan O’Brien gets spotted by the paparazzi in New York City.

What’s that arrow pointing at!?! Singer, Lolene works on a photo shoot in New York’s Meatpacking District.

Jon Heder is hot stuff on the set of his upcoming web series, “Fact Checkers Unit” in LA.

Snooki shows off her Italian pride during World Cup!

Marcia Cross strolls the beach in Malibu.

Computer love! Rihanna and Matt Kemp engage in a little PDA while shopping at the AT&T store (Hey! Even celebs have to wait for the new iPhone).

Vampire Kiss! Nikki Reed gives Karate Kid Jaden Smith a smooch on the carpet at “The Twilight Saga: Eclipse” premiere.

Pharrell Williams and Lupe Fiasco pose with Antoine Arnault at the Louis Vuitton Men’s Spring/Summer Fashion Show.

Helena Christen bikes in NYC.

Don’t you think you should back off a bit? Jennifer Love Hewitt looks a little uncomfortable that people are so close as she grabs cash in North Hollywood.

Robert and Taylor buddy up for some photos at the LA Premiere of ‘The Twilight Saga: Eclipse”!

Jessica Alba wore an interesting dress in Paris, to the premiere of her new film “The Killer Inside Of Me”.

Jack Osbourne was spotted making his way through LAX sporting a mohawk!

Denis Leary arrives to the season 6 premiere of ‘ Rescue Me’ with his wife and daughter!

Bump watch! Alicia Keys shows off her little baby bump while performing at the GMA summer concert series in New York City.