1 of 15
2 of 15
Jessica Alba looks très belle in her anything-but-basic black Lanvin dress – and gorgeous updo – Thursday at the Parisian premiere of The Killer Inside Me.
3 of 15
4 of 15
LADY IN WAITING
Nutz for Lutz? Who isn't? Nearby, Kellan Lutz playfully faces hundreds of adoring fans on the red carpet at the Eclipse premiere.
5 of 15
6 of 15
Justin Bieber keeps his fans close while performing during his first major headlining tour at Trenton, N.J.'s, Sun National Bank Center Thursday.
7 of 15
A glam Kelly Rowland, who most recently hosted Bravo's Fashion Show, scores a front row seat to Jean-Paul Gaultier's spring-summer 2011 menswear presentation in Paris Thursday.
8 of 15
Cate Blanchett is in work mode – hard hat and all! – as part of the Sydney Theatre Company's "Greening the Wharf" project, which installed solar panels on the theater's rooftop in Sydney's Walsh Bay. The actress and her husband are the company's artistic directors.
9 of 15
A casually chic Katy Perry gets animated with a fan while signing autographs outside of London's BBC 1 Radio building Thursday.
10 of 15
LOOK OF LOVE
Meanwhile, Perry's fiancé Russell Brand finds himself between a "Hug Me" balloon and Get Him to the Greek costar Jonah Hill Thursday during a photocall in Amsterdam for their new comedy, in theaters now. Hmm ... Is he sending her a love message with that heart-shaped balloon?
11 of 15
12 of 15
13 of 15
Look who's back! Conan O'Brien is greeted by fans after dining at a New York City restaurant Thursday. The late-night host returns to TV with a new show in November.
14 of 15
15 of 15
SO LOW SOLO
Pink gets down on Wednesday while performing at Liberty Stadium in Swansea, Wales. The singer is in the midst of her Funhouse Summer Carnival Tour, which stops in London, Belgium and France next week.
Celeb Quotes of the Day: Zendaya, Kendrick Lamar & More
Star Tracks: Celebs on Social