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Guardians of the Galaxy star Chris Pratt pumps up the crowd during his Thursday night appearance on The Tonight Show Starring Jimmy Fallon in New York City.
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Thor actor Chris Hemsworth is a fan favorite as he enters Federation Square in Melbourne, Australia, on Thursday.
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Demi Lovato wows the crowd while performing Thursday at Denver's Pepsi Center, the latest stop on her world tour.
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BOARD AND ALONE
A trim Gerard Butler has a solo adventure Thursday as he goes paddleboarding at a Malibu, California, beach.
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IT'S ABOUT TIME
Katie Holmes and her Days and Nights costar, Christian Camargo, share a hug at their comedy-drama's New York City premiere Thursday at the IFC Center.
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Cool, thy name is Lenny Kravitz! The eternal hipster rocks a black-and-white outfit after leaving the BBC Radio 2 studio on Thursday in London.
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KEY TO SUCCESS
Sing it like you mean it! An enthusiastic Samuel L. Jackson takes over the stage at Thursday's One for the Boys #SingOne4TheBoys Karaoke Night at Abbey Road Studios in London.
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Please pass the glue sticks! Soleil Moon Frye and daughters Jagger, 6, (left) and Poet, 9, get ready for fun at KiX Adventure Stories and Crafts, an afternoon of storytelling and hands-on crafts for children, at L.A.'s The Grove on Thursday.
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TWO COOL DUDES
Is there a secret handshake, too? Usher and producer Timbaland are a symbol of unity at the ASCAP Rhythm and Soul Atlanta Legends Dinner, which honored Antonio "L.A." Reid, at Atlanta's Mandarin Oriental hotel on Thursday.
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While on the Sunshine Coast in Queensland for his concert at the Brisbane Entertainment Centre, Justin Timberlake visits the Australia Zoo on Thursday and snaps a closeup of a camel.
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Expressing her support for all modes of transportation, Eva Longoria stays incognito beneath a hat and sunglasses at LAX on Thursday.
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AT THE RED-Y
It's all good for Josh Hutcherson, who gives his seal of approval while arriving at the Hotel Maria Cristina during the San Sebastian International Film Festival on Thursday in San Sebastian, Spain.
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DOING HER PART
Victoria Beckham surfaces in N.Y.C. on Thursday to speak with UNAIDS executive director Michel Sidibé at a news conference at UN Headquarters, where she was named the newest UNAIDS International Goodwill Ambassador.
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Now that's a supermodel! Rosie Huntington-Whiteley owns the catwalk during the Balmain show at Paris Fashion Week on Thursday in France.
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AMERICA, THE BEAUTIFUL
America Ferrera is the lady in red at a cast photo call for her role in the Off-Broadway play Lips Together, Teeth Apart in New York City on Thursday.
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Black-ish star Anthony Anderson faces off with the cameras while arriving at Good Morning America in New York City on Thursday, the morning after his new series premiered.
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RUN, SHIA, RUN!
A focused Shia LaBeouf gets his fitness on while running a around the Stedelijk Museum in Amsterdam on Thursday.