How to you get Dan Rather in a room together with Brian Williams and Tom Brokaw? Throw a charity event, of course. ABC News' Bob Woodruff and wife Lee hosted their foundation's second annual Stand Up For Heroes event last night at Town Hall, benefiting injured war veterans, where CNN's Christiane Amanpour walked away from the auction with Bruce Springsteen's guitar, which she paid $50,000 for. (Springsteen's motorcycle went for $75,000.) And while host Regis Philbin's jokes fell flat (think: "I sneezed and blew her into the second row"), the incomparable Springsteen — who normally plays only for president-elects — more than made up for it, telling jokes between songs. Of the X-rated variety.

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Starting next season, Regis Philban will be taking four-day weekends. The Live host expressed his ambition for sleeping in on Thursdays and Fridays on the “host chat” segment of his show yesterday.

Actually, making idle conversation every day for an hour does seem difficult. Take all the time you need, Reg.

So apparently, Regis Philbin has to miss about five weeks of Regis & Kelly to get bypass surgery. (Fortunately, bestie David Letterman swears Philbin will be fine, and declares "it's even better the second fourth time!") Anyhow, in the interim, the show will be hosted by everyone from The Coop (today and tomorrow!) to The Donald, with a little Doogie Howser in between:

Cooper will host the show alongside Kelly Ripa Tuesday and Wednesday, then give way to MTV’s Damien Fahey on Thursday and Friday.

With Philbin expected to miss at least five weeks, other hosts already lined up include Howie Mandel, Neal Patrick Harris, Pat Sajak, Jeff Probst, Martin Short and Donald Trump.

And while some of the guest hosts (cough, Jeff Probst) are kinda meh, we're actually looking forward to seeing some of those other names in action.

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• Matthew Perry gets a shot at appearing on two different channels. Well, we're just glad he's not doing a show called Chandler. [NYDN]

• In an attempt to stop alienating her non-emaciated fans, Lindsay Lohan lies and says that curves are sexy. [M&C]

• Mayor Bloomberg gets just a little too excited over the prospect of looking down Scarlett Johansson's shirt. She's all like, "look, dude, I don't have time to hit on you. Do you know anything about acting? It's like, hard."

• Kate Bosworth (not Kate Moss as TMZ reported) was on her way to the Zac Posen show, when the zipper on her dress broke. And, uh, she was wearing Zac Posen. [Lowdown]

• Can you feel the NYU chairmen drooling? Please Tufts, take the money from Tisch now before purple flag domination. [Page Six]

• Katie Couric confides in Regis Philbin: we're going to make CBS about, like, the news. [Lowdown]

Jim Kelly knows how to party. You saw the beer in his bathtub at his fete for Andrew Sullivan, yah? Now repurpose those antics for Time magazine's 100 Most Influential People party at Jazz at Lincoln Center (at, ahem, the Time Warner Center) and throw in actual A-listers instead of Peter Kaplan and his Observers (though we'd much rather hang with those types) and you've got media personalities – usually so eager to fawn over themselves – crowding around Jennifer Lopez to watch her blink.

We were there for the free bubbly, but people watching being our favorite sport, it would've been rude for us not to show off.

• The affable Stephen Colbert revealed he had no idea C-Span demanded his White House Correspondents Dinner speech be pulled off YouTube. "I've got a two week break," he told us. "My assistant is collecting all the newspaper articles."

• Vanity Fair coverboy Anderson Cooper shaking hands with Regis Philbin, and, we imagine, making no mention of mama Gloria Vanderbilt's alien feet in the VF photospread.

• Bill O'Reilly brushing up on his expressions of deep thought while chatting with Mort Zuckerman. Shortly thereafter, O'Reilly professed to us he doesn't read "those Internet things" so no, he doesn't follow our meta coverage of him.

• A glam Jennifer Lopez and her surprisingly unfrightening husband Marc Anthony acting puzzlingly social. We showed up immediately after these two, trailed them on the red carpet and rode the elevator upstairs with 'em. Her giggle lets her off the hook for those conspicuous grey hairs.

• Harvey Weinstein running around looking for Will Smith. Not once did we see Harvey touch a silver tray of hor d'oeuvres.

• Will Smith shaking hands with anybody who approached, but not letting them walk away before introducing his brother. He told us he was most excited to meet Nancy Cox (he's all giddy about flu pandemics, given his filming of 2007's bio-thriller I Am Legend). He also mentioned the only time he gets pissed when people sing "na na na na na-na-na-na" from "Gettin' Jiggy Wit It" was at black tie events. We didn't spot Jada Pinkett Smith, so we assume she was off making wickedly bad music with Wicked Wisdom.

• Martha Stewart was very appreciative when we brought up Blueprint. Very appreciative. Did we mention the very part of her appreciation?

• Arianna Huffington, doing what Arianna Huffington does best: giggling with enthusiasm.

• Ann Coulter mulled about acting as liason between good and evil.

• The rest of the rest: Queen Rania, looking royal. George Lucas, looking important. Lauren Bush and David Lauren, looking like they're ready for Hamptons season to kick off.

We're sure there was more to be seen at the actual dinner (like Condoleeza Rice denying she's making a presidential run), but we had to split to watch David Blaine succeed in making an ass out of himself.