Mary-Kate's Miami Drama, LiLo Snuggles with Sean

Mary-Kate Olsen was "acting very oddly" during her stay in Miami for Art Basel. After getting into a fight with Kirsten Dunst at a party at the Delano on Wednesday night, MK—who "looked like she had not brushed her hair in a week"—spent the weekend drinking, chain-smoking, and hanging out with boyfriend Nate Lowman, which means she's probably not pregnant. [P6, P6]
Lindsay Lohan went to a party for Milk without Samantha Ronson last week, where she was spotted nuzzling with Sean Penn. [Fox 411]
Amy Winehouse's husband Blake Fielder-Civil is reportedly threatening to write a tell-all book about Winehouse unless she gives him $1.7 million in the divorce settlement. [NYP]

Claus von Bulow says he was "very sad" to learn about the death of his former wife Sunny von Bulow, who he tried to kill 28 years ago. [NYDN]
Fran Drescher thinks she's qualified to take over for Hillary Clinton in the US Senate. [NYM]
As part of their divorce settlement, Madonna will pay Guy Ritchie £12 million, and let him keep the couple's £20 million estate in Wilshire and his pub. [Telegraph]
Andrew Cuomo and Food Network star Sandra Lee have confirmed they're dating. [P6]
Miley Cyrus says she has "no regrets" about being photographed by Annie Leibovitz for Vanity Fair: "Everyone outside of America liked it." [P6]
Lawyers for the author who is accusing Jessica Seinfeld of stealing her cookbook ideas are having a hard time getting a deposition from Jerry Seinfeld. [NYDN]
Bennett Miller and his girlfriend, Louisa Gamon, may have broken up. [P6]
Paula Abdul has put her California home on the market, just weeks after a fan committed suicide in front of it, although she says the two things are completely unrelated. [MSNBC]
Sadly, newlyweds Peaches Geldof and Max Drummey are spending Christmas on separate continents. [Mirror]
Rock star daughters Kimberly Stewart, Peaches Geldof, and Leah Wood are posing together naked on the cover of next month's Tatler. [P6]
Oprah says she is not looking for a job in the Obama administration. [NYDN]
Kanye West is reportedly "smitten" with model Sophie Howard. Also, he's charging $40,000 to appear at after-parties these days. [Mirror, News.com.au]
Alyssa Milano has obtained a restraining order against a stalker. [AP]
Jermaine Dupri isn't denying rumors that Janet Jackson is pregnant. [NYDN]
David Duchovny is supposedly training for a triathalon as a way to "get his kicks" without sex. [P6]
Mischa Barton might make a guest appearance on Ugly Betty. [Pop Crunch]
Alex Rodriguez was supposedly spotted driving around Miami in a Mercedes with a license plate reading, "ALEX RODRIGUEZ." [P6]