See photos of celebrities -- Joseph Gordon Levitt, Harry Styles and more -- on the red carpet and around the world.
Sandra Bullock during the photocall of the movie "Gravity" presented out of competition on the opening day of the 70th Venice Film Festival at Venice Lido. (Aug. 28, 2013)
Vin Diesel, pictured with his partner Paloma Jimenez and their children, is honored with a star on The Hollywood Walk of Fame in Los Angeles. (Aug. 26, 2013)
Madeline Brewer attends the premiere of "One Direction: This Is Us" at the Ziegfeld Theatre in Manhattan. (Aug. 26, 2013)
Lenny Kravitz performs during opening night of the 2013 U.S. Open tennis tournament in Queens. (Aug. 26, 2013)
Harry Styles from One Direction attends the premiere of "One Direction: This Is Us" at the Ziegfeld Theatre in Manhattan. (Aug. 26, 2013)
Joseph Gordon-Levitt arrives at the MTV Video Music Awards at the Barclays Center in Brooklyn. (Aug. 25, 2013)