In today's Tweet Beat, Tony Danza meets the Mona Lisa, Justin Bieber's mom shockingly loves him and Arianna Huffington does a weird thing.

That shot with Arianna Huffington — that's totally what we would do.

Arianna Huffington graced the Weekend Update desk with her sardonic presence last night, and talked about how badass Hillary Clinton's Benghazi testimony was this week. In extolling Hillary's many public speaking virtues, the Huffmeister also made an astute observation about the Senate: with all the back-slapping…

Last night in New York, Glamour magazine held its 22nd annual Women of the Year Awards — a fancy schmancy party, where ladies making big moves mixed and mingled. 20-year-old Selena Gomez is on the cover of the December issue, which honors the women of the year. Fun fact: All of the ladies were photographed for the…

Arianna Huffington came to the Weekend Update to critique Martha Raddatz's debate moderation, elucidate the mysteries of the vagina, and talk about Joe Biden's more feminine qualities . She also made some choice observations about Paul Ryan, whom she described as the handsome, moneyed golden boy that impresses parents…

Arianna Huffington discusses the importance of having a "fearlessness tribe" of female friends — and becoming a "passionate missionary" who encourages women to choose flats over painful high heels, as they may increase your chances of getting mugged:

There's a part in Tiny Furniture where one confused young daughter of success tells another, "Our moms are assholes. [They're] too successful not to be." I thought of that while reading a recent profile of new New York City schools chancellor Cathie Black, who until recently was the chairwoman of Hearst magazines. …

"On Morning Joe today, Joe Lieberman called me "sweetheart" ... do you really think he meant it??" tweeted Arianna Huffington this morning. Lighthearted, affectionate banter, perhaps? Not quite.

Before Jenna releases us all to the wilds of this still-holiday-ish weekend, here are a few motley dribs and drabs and odds and ends. Consider this a delicious sandwich made from the leftovers of a cornucopia of Thanksgiving delights!

The Huffington Post's new Divorce channel — helmed by Nora Ephron — paints a bright and shiny view of the end of marriage.

It doesn't matter that there have already been 800 profiles of and interviews with Arianna Huffington. New ones are still endlessly entertaining.

At last night's White House Correspondents' Dinner, the stars of Hollywood and the media came together for a night of glamour and good times, and the fashions were totally A-list:

• Madonna says Lourdes inspired her line. [E!]
• Arianna Huffington also takes cues from her progeny. "I remember once I was leaving the house, and my daughter [said over] the intercom, ‘Fashion emergency, do not let her leave the house.'" [Style.com]

Conservative columnist Mary Katharine Ham is disgusted by The Huffington Post's page-view strategy: "Somehow it's hard to take HuffPo's rant about Neanderthal Stupak-amendment supporters seriously when it's right next to Rihanna's exposed nipple and some D-lister's leaked sex tape." True.

The Sexist blogger Amanda Hess says, "Yes." And we're a little hard-pressed to disagree.

What do you wear to meet the First Lady, Elisabeth Hasselbeck, MIA and Stella McCartney? Based on Time's 100 Most Influential People in the World Gala at New York's Lincoln Center, basic black!

"Throughout the ages, there's been one question that's consistently stumped the wisest of gurus and prophets — and at times even Oprah. Love or lust?" asks Cosmopo - oh, wait, it's The HuffPo!