CELEBRITIESHappy 70th birthday, Sigourney Weaver: Her life in picturesUSA TODAYSigourney Weaver was born Oct. 8, 1949. The sci-fi hero might be best known for her role as Ellen Ripley in the "Alien" franchise. Here she is in the first film, released in 1979.Robert Penn, 20th Century FoxIn Los Angeles on Nov. 29, 1983.Doug Pizac, APShe starred opposite Bill Murray in the "Ghostbusters" movies. This is 1989's "Ghostbusters II."NONE, Sony Pictures Home EntertainmentThe extraterrestrial got up close and personal in 1992's "Alien 3."NONE, XXX NONERipley (Weaver) had a rough go in the third "Alien" installment.NONE, XXX 20th Century FoxIn 1994, Weaver starred in the thriller "Death and the Maiden.F. DUHAMEL, FINE LINEWeaver starred with (clockwise from center) Tim Allen, Alan Rickman, Sam Rockwell, Daryl Mitchell and Tony Shalhoub in "Galaxy Quest" in 1999.MURRAY CLOSE, XXX DREAMWORKS PICTURES’Unexpectedly drafted into a real space mission by aliens who believe their science fiction series is real life, Gwen DeMarco (Weaver) finds herself on a hostile planet in the wacky "Galaxy Quest.NONE, XXX DREAMWORKSWeaver received her star on the Hollywood Walk of Fame on Dec. 16, 1999.Vince Bucci, AFP/Getty ImagesShe posed for USA TODAY in 2000.ANNE RYAN, XXX USATWeaver in a scene from the 2001 rom-com "Heartbreakers.MURRAY CLOSE, XXX METRO GOLDWYN-MAYERA portrait at the Regency Hotel in New York, June 5, 2006.JIM COOPER, APShe starred in "Infamous," a film about the life of Truman Capote, in 2006.Deana Newcomb, XXX Warner Independent PicturesIn 2007, she was in "Snow Cake.Neil Davidson, IFC FilmsWeaver posed for USA TODAY in New York City on April 7, 2008, while promoting "Baby Mama.Todd Plitt, USA TODAYThe following year, the photo shoot was at Century Plaza Hotel in Los Angeles to promote "Avatar."Dan MacMedan, USA TODAYShe also promoted the fantasy film at Hotel de Rome on Dec. 8, 2009, in Berlin.Andreas Rentz, Getty ImagesOn the red carpet at the 82nd annual Academy Awards on March 7, 2010.Dan MacMedan, USA TODAYWeaver and longtime friend Jamie Lee Curtis starred together in "You Again." Here they are at the LA premiere of the film on Sept. 22, 2010.Chris Pizzello, APWeaver received the trophy for best actress, international, during the 48th Golden Camera awards in Berlin on Feb. 2, 2013.Maurizio Gambarini, APAt the Dior and I NY Premiere on April 7, 2015.Dimitrios Kambouris, Getty Images For DiorWeaver attended the Glamour Women of the Year Awards in London on June 7, 2016.Mike Marsland/WireImageShe was at "Marvel's The Defenders" during San Diego Comic-Con on July 21, 2017.Jerod Harris, FilmMagic,In October 2018, she posed with "Ghostbusters" cosplayers on the red carpet at the 13th Rome Film Fest at Auditorium Parco Della Musica.Vittorio Zunino Celotto, Getty ImagesFeatured Weekly Ad