gallery80 Is the New 3003.12.10gallery80 Is the New 30Happy 80th Birthday, William Shatner! From Star Trek to Boston Legal to Priceline commercials, the actor still has star power, just like Betty White, Hugh Hefner, and more celebrity 80-somethings.03.12.10 6:41 PM ETNoel Vasquez / Getty Images for ExtraWilliam Shatner, 80After sky-rocketing to fame as Captain Kirk in Star Trek nearly half a century ago, William Shatner is still at the top of his game, from a primetime sitcom to Priceline’s spokesman (and negotiator). He may be 80, but he’s also active on Twitter and hosts his own talk show, Shatner’s Raw Nerve. When asked in a recent interview how he’s been able to achieve longevity in his career, Shatner—star of $#*! My Dad Says -- simply replied, “It’s called survival.”Chris Pizzello / AP Photo,Chris PizzelloBetty White, 89Last year, she became Saturday Night Live’s oldest host, made TV Land’s Hot in Cleveland a hit, and generally took Hollywood by storm in 2010. A recent press release called her “the hottest woman in town,” and we’re inclined to agree.RetnaBarbara Walters, 81Her long-running annual Oscars special may be over, but Walters is still everywhere—from her Sirius XM show Here’s Barbara to her always insightful, sometimes catty, and endlessly entertaining exchanges on The View.Retna,© LAN / Retna Ltd.Liz Smith, 88The legendary syndicated columnist once said she wanted to “die with my boots on at my desk.” Now that she’s writing online, you can download her columns on your iPhone, boots and all.Peter Kramer / AP Photo,Peter KramerJerry Stiller, 83He was in his sixties when he claimed the role of George's dad on Seinfeld, stealing every scene he was in. Today, he’s still working on a project almost every year. Most recently: a film about swingers and a stint on CBS hit series The Good Wife.Stuart Ramson / AP Photo,Stuart RamsonMary Higgins Clark, 83The Bronx-born spinner of sinister tales will not stop writing. She’s written 42 books—her newest, I'll Walk Alone, comes out this April.Retna,© RD / Dziekan / Retna DigitalElaine Stritch, 86If you liked her Broadway debut in 1947’s Angel in the Wings, you’ll love her as Jack Donaghy’s mother in 2009’s 30 Rock.Scott Harrison / Retna,© Scott Harrison / Retna Ltd.Jerry Lewis, 85It’s been more than half a century since Martin and Lewis cracked their first jokes, and the surviving half of that team is still hosting telethons and racking up awards as if it were The Colgate Comedy Hour.Alberto Pellaschiar / AP Photo,ALBERTO PELLASCHIARHugh Hefner, 84He managed to make skin mags classy, and his parties at the Playboy Mansion remain the stuff of dreams for young men everywhere. And now, he's marrying 24-year-old former Playmate of the Month, Crystal Harris.Chris Haston / AP Photo,Chris HastonCloris Leachman, 84Though she currently makes America laugh as the Alzheimer-stricken Maw Maw in Fox’s recently-renewed comedy Raising Hope, Leachman is personally at the top of her game. She kicked, she twirled, and she rocked a tasseled dress with her death-defying performance on 2008’s Dancing With the Stars. She stole our hearts with her moves and her hilarious interviews afterward.Reed Saxon / AP Photo,Reed SaxonDon Rickles, 84Working in stand-up comedy – one of the toughest acts in show business – the insult king has managed a career that’s spanned from the Sinatra era to Super Bowl XLIV.Kevork Djansezian / AP Photo,Kevork DjansezianMel Brooks, 84He must be using the Schwartz. How else could Mel Brooks still be cracking wise and reprising the beloved Spaceballs franchise decades after he originally wrote it?Mark Lennihan / AP Photo,MARK LENNIHANAngela Lansbury, 85The 85-year-old star of screens big and small is pure class, and she recently wowed audiences with her Tony-nominated performance in Broadway's A Little Night Music opposite Catherine Zeta-Jones. Lansbury's next co-stars are Jim Carrey in 2011’s Mr. Popper’s Penguins and Katherine Heigl in 2012’s Adeline.Frank Franklin II / AP Photo,Frank Franklin IIEd Koch, 86Since leaving Gracie Mansion, the former mayor of New York continues to pen editorials, appear on TV, and be generally entertaining wherever he goes.